CVE-2024-40883 [High] | CSRF in Wrc-2533gs2-B Firmware

Cross-site request forgery vulnerability exists in ELECOM wireless LAN routers. Viewing a malicious page while logging in to the affected product with an administrative privilege, the user may be directed to perform unintended operations such as changing the login ID, login password, etc.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-11-21	0.11%	0.23%	+0.12%
2	2025-11-18	0.18%	0.11%	-0.07%
3	2025-09-07	—	0.18%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-11-21

0.11%

0.23%

+0.12%

2025-11-18

0.18%

0.11%

-0.07%

2025-09-07

—

0.18%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	[email protected]
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:N) Service keeps running; no real outage angle.	2.8	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0
6.5	3.0	MEDIUM	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:N) Service keeps running; no real outage angle.	2.8	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

[email protected]

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N): Service keeps running; no real outage angle.

2.8

3.6

134c704f-9b21-4f2e-91b3-4a467353bcc0

6.5

3.0

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N): Service keeps running; no real outage angle.

2.8

3.6

[email protected]

Affected software / configurations for CVE-2024-40883

Vendor	Product	Version	Raw CPE
elecom	wrc-2533gs2-b_firmware	< 1.69	cpe:2.3:o:elecom:wrc-2533gs2-b_firmware::::::::
elecom	wrc-2533gs2-w_firmware	< 1.69	cpe:2.3:o:elecom:wrc-2533gs2-w_firmware::::::::
elecom	wrc-2533gs2v-b_firmware	< 1.69	cpe:2.3:o:elecom:wrc-2533gs2v-b_firmware::::::::
elecom	wrc-x6000xs-g_firmware	< 1.12	cpe:2.3:o:elecom:wrc-x6000xs-g_firmware::::::::
elecom	wrc-x1500gs-b_firmware	< 1.12	cpe:2.3:o:elecom:wrc-x1500gs-b_firmware::::::::
elecom	wrc-x1500gsa-b_firmware	< 1.12	cpe:2.3:o:elecom:wrc-x1500gsa-b_firmware::::::::

References for CVE-2024-40883

URL	Tags
https://jvn.jp/en/jp/JVN06672778/	Third Party Advisory
https://www.elecom.co.jp/news/security/20240730-01/	Vendor Advisory

URL

CVE-2024-40883

Exploit prediction scoring system (EPSS) score for CVE-2024-40883

Common vulnerability scoring system (CVSS) metrics for CVE-2024-40883

Weakness enumeration for CVE-2024-40883

Affected software / configurations for CVE-2024-40883

References for CVE-2024-40883