Dashboard / CVE-2026-123959

CVE-2026-123959

HIGH
MEDIUM Priority: 0.07 BB Relevance: 62/100
Published: 2026-11-07 Modified: 2026-11-10 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

Description

A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument langType results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
TOTOLINK CA300-PoE 6.2c.884
TOTOLINK CA300-PoE 6.2c.884

References & Advisories (6)

https://vuldb.com/vuln/432022
vdb-entry technical-description
https://vuldb.com/submit/1033721
third-party-advisory
https://vuldb.com/vuln/432022/cti
signature permissions-required
https://www.totolink.net/
broken-link product

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.5 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.84%
Raw Score 0.008410
Percentile 58.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00841
2026-11-12
0.00841
2026-11-10
0.00841
2026-11-09
0.00841
2026-11-08
0.00841
2026-11-07
0.00841

Intelligence Sources

mitre ref →
nvd ref →

External Links