CVE-2026-121597

CRITICAL
INFO Priority: 0.06 BB Relevance: 69/100
Published: 2026-11-04 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

A weakness has been identified in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setAppEasyWizardConfig of the file /cgi-bin/cstecgi.cgi of the component Easy Setup Wizard Handler. Executing a manipulation of the argument functionType can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
TOTOLINK A950RG 4.1.2cu.5268_B20221104
TOTOLINK A950RG 4.1.2cu.5268_B20221104

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

9.4 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

EPSS — Exploitation Probability

0.60%
Raw Score 0.006010
Percentile 49.4%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00601
2026-11-13
0.00601
2026-11-12
0.00601
2026-11-10
0.00601
2026-11-09
0.00601
2026-11-08
0.00601
2026-11-07
0.00601
2026-11-06
0.00601
2026-11-05
0.00601
2026-11-04
0.00601

Intelligence Sources

mitre ref →
nvd ref →