CVE-2023-31808

Technicolor TG670 10.5.N.9 devices contain multiple accounts with hard-coded passwords. One account has administrative privileges, allowing for unrestricted access over the WAN interface if Remote Administration is enabled.

Published: 2023-09-19 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-31808 is rated Moderate Risk (41.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-31808

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-30 0.14% 0.15% +0.01%
2 2025-11-21 0.20% 0.14% -0.07%
3 2025-11-18 — 0.20% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-31808

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
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.
 1.2 5.9 [email protected]

Weakness enumeration for CVE-2023-31808

Affected software / configurations for CVE-2023-31808

Vendor Product Version Raw CPE
technicolor tg670_firmware 10.5.n.9 cpe:2.3:o:technicolor:tg670_firmware:10.5.n.9:*:*:*:*:*:*:*

References for CVE-2023-31808

URL Tags
https://www.kb.cert.org/vuls/id/913565 Third Party Advisory US Government Resource
cvelogic Threat Intelligence