CVE-2025-21483 | Improper Restriction of Operations within the Bounds of a Memory Buffer in Data Network Stack & Connectivity

Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.

公開： 2025-09-24 最終更新： 2026-06-17 Assigner： [email protected] ソース： [email protected]
NVD ステータス：Analyzed，CVE の状態： published
参照： NVD, CVE.org, EUVD, JVN

CVE-2025-21483 は中リスク（50.3/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 0.39%、31 パーセンタイル） 影響資産を整理し、修補計画に組み込んでください。

リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。

CVE-2025-21483 の EPSS（Exploit Prediction Scoring System）スコア

EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。

# 日付 旧 EPSS スコア 新 EPSS スコア Δ（新 − 旧）
1 2026-06-15 0.05% 0.39% +0.34%
2 2026-04-20 0.04% 0.05% +0.01%
3 2026-01-29 — 0.04% —

EPSS の全履歴 （全 7 件）

CVE-2025-21483 の CVSS（Common Vulnerability Scoring System）指標

この CVE の CVSS 指標。

ベーススコア バージョン 深刻度 ベクトル 悪用しやすさ 影響 スコアの出典
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H クリックして展開
攻撃ベクター (AV:N)
インターネットなど、ルーティングされたネットワーク越しに遠隔から悪用しうる。端末の前にいる必要はない。
攻撃の複雑さ (AC:L)
攻撃者が条件を満たせば、レース条件や珍しい構成に依存せずに再現しやすい。
必要な権限 (PR:N)
事前のログインや昇格は不要で、匿名アクセスのまま踏み台にしうる。
ユーザーの関与 (UI:N)
メールのリンクを開く、マクロを有効にするなど、被害者の協力がなくても成立しうる。
スコープ (S:U)
影響は脆弱コンポーネントと同一のセキュリティ権限・信頼境界の内側に収まる。
機密性への影響 (C:H)
広範な機微データの読み取りや持ち出しが現実的。
完全性への影響 (I:H)
権限の奪取や広範なログ改竄など、システムの信頼根拠を揺るがす改ざんが現実的。
可用性への影響 (A:H)
長時間のサービス停止、データ損壊による復旧不能に近い状態など、利用者に著しい不便を与えうる。
 3.9 5.9 [email protected]

CVE-2025-21483 の弱点分類（列挙）

CVE-2025-21483 の影響を受けるソフトウェア／構成

ベンダー 製品 バージョン 生の CPE
qualcomm apq8017_firmware — cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
qualcomm apq8064au_firmware — cpe:2.3:o:qualcomm:apq8064au_firmware:-:*:*:*:*:*:*:*
qualcomm aqt1000_firmware — cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6200_firmware — cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6700_firmware — cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6800_firmware — cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6900_firmware — cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_7800_firmware — cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
qualcomm msm8996au_firmware — cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
qualcomm qam8255p_firmware — cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8295p_firmware — cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8620p_firmware — cpe:2.3:o:qualcomm:qam8620p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8650p_firmware — cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8775p_firmware — cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
qualcomm qamsrv1h_firmware — cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*
qualcomm qamsrv1m_firmware — cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:*
qualcomm qca6310_firmware — cpe:2.3:o:qualcomm:qca6310_firmware:-:*:*:*:*:*:*:*
qualcomm qca6320_firmware — cpe:2.3:o:qualcomm:qca6320_firmware:-:*:*:*:*:*:*:*
qualcomm qca6335_firmware — cpe:2.3:o:qualcomm:qca6335_firmware:-:*:*:*:*:*:*:*
qualcomm qca6391_firmware — cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
qualcomm qca6420_firmware — cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
qualcomm qca6426_firmware — cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
qualcomm qca6430_firmware — cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
qualcomm qca6436_firmware — cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564_firmware — cpe:2.3:o:qualcomm:qca6564_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564a_firmware — cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564au_firmware — cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574_firmware — cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574a_firmware — cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574au_firmware — cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595_firmware — cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595au_firmware — cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6678aq_firmware — cpe:2.3:o:qualcomm:qca6678aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6688aq_firmware — cpe:2.3:o:qualcomm:qca6688aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6696_firmware — cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
qualcomm qca6698aq_firmware — cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6797aq_firmware — cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*
qualcomm qcm2150_firmware — cpe:2.3:o:qualcomm:qcm2150_firmware:-:*:*:*:*:*:*:*
qualcomm qcm2290_firmware — cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4290_firmware — cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4325_firmware — cpe:2.3:o:qualcomm:qcm4325_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4490_firmware — cpe:2.3:o:qualcomm:qcm4490_firmware:-:*:*:*:*:*:*:*
qualcomm qcm5430_firmware — cpe:2.3:o:qualcomm:qcm5430_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6125_firmware — cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6490_firmware — cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_855\+\/860_mobile_platform_\(sm8150-ac\)_firmware — cpe:2.3:o:qualcomm:snapdragon_855\+\/860_mobile_platform_\(sm8150-ac\)_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_865_5g_mobile_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_865_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\)_firmware — cpe:2.3:o:qualcomm:snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\)_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_870_5g_mobile_platform_\(sm8250-ac\)_firmware — cpe:2.3:o:qualcomm:snapdragon_870_5g_mobile_platform_\(sm8250-ac\)_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_888_5g_mobile_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_888_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware — cpe:2.3:o:qualcomm:snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_w5\+_gen_1_wearable_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_w5\+_gen_1_wearable_platform_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_x50_5g_modem-rf_system_firmware — cpe:2.3:o:qualcomm:snapdragon_x50_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_x55_5g_modem-rf_system_firmware — cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_xr1_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_xr1_platform_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_xr2_5g_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_xr2_5g_platform_firmware:-:*:*:*:*:*:*:*
qualcomm snapdragon_xr2\+_gen_1_platform_firmware — cpe:2.3:o:qualcomm:snapdragon_xr2\+_gen_1_platform_firmware:-:*:*:*:*:*:*:*
qualcomm srv1h_firmware — cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:*
qualcomm srv1l_firmware — cpe:2.3:o:qualcomm:srv1l_firmware:-:*:*:*:*:*:*:*
qualcomm srv1m_firmware — cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:*
qualcomm sw5100_firmware — cpe:2.3:o:qualcomm:sw5100_firmware:-:*:*:*:*:*:*:*
qualcomm sw5100p_firmware — cpe:2.3:o:qualcomm:sw5100p_firmware:-:*:*:*:*:*:*:*
qualcomm sxr1120_firmware — cpe:2.3:o:qualcomm:sxr1120_firmware:-:*:*:*:*:*:*:*
qualcomm sxr2130_firmware — cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
qualcomm talynplus_firmware — cpe:2.3:o:qualcomm:talynplus_firmware:-:*:*:*:*:*:*:*
qualcomm vision_intelligence_100_platform_\(apq8053-aa\)_firmware — cpe:2.3:o:qualcomm:vision_intelligence_100_platform_\(apq8053-aa\)_firmware:-:*:*:*:*:*:*:*
qualcomm vision_intelligence_200_platform_\(apq8053-ac\)_firmware — cpe:2.3:o:qualcomm:vision_intelligence_200_platform_\(apq8053-ac\)_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9326_firmware — cpe:2.3:o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9335_firmware — cpe:2.3:o:qualcomm:wcd9335_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9340_firmware — cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9341_firmware — cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9370_firmware — cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9371_firmware — cpe:2.3:o:qualcomm:wcd9371_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9375_firmware — cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9378_firmware — cpe:2.3:o:qualcomm:wcd9378_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9380_firmware — cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9385_firmware — cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9390_firmware — cpe:2.3:o:qualcomm:wcd9390_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9395_firmware — cpe:2.3:o:qualcomm:wcd9395_firmware:-:*:*:*:*:*:*:*
qualcomm wcn3610_firmware — cpe:2.3:o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*

CVE-2025-21483 の参考情報

cvelogic Threat Intelligence