CVE-2026-6155
Last modified
CVE-2026-6155 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. EPSS estimates a 1.80% chance of exploitation in the next 30 days.
Description
A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-6155?
How severe is CVE-2026-6155?
How do I fix CVE-2026-6155?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-61523WebsiteBaker CMS before 2.13.10 contains a code injection vu…8.6
- CVE-2026-61524WebsiteBaker CMS before 2.13.10 contains an unrestricted fil…8.6
- CVE-2026-61526AdonisJS HTTP Server is a package for handling HTTP requests…6.1
- CVE-2026-6153A vulnerability was identified in code-projects Vehicle Show…7.3
- CVE-2026-61536Banks generates meaningful LLM prompts using a simple templa…7.5
- CVE-2026-6154A security flaw has been discovered in Totolink A7100RU 7.4c…9.8
- CVE-2026-6156A security vulnerability has been detected in Totolink A7100…9.8
- CVE-2026-6157A vulnerability was detected in Totolink A800R 4.1.2cu.5137_…8.8
- CVE-2026-6158A flaw has been found in Totolink N300RH 6.1c.1353_B20190305…7.3
- CVE-2026-6159A vulnerability has been found in code-projects Simple ChatB…4.3
- CVE-2026-6160A vulnerability was found in code-projects Simple ChatBox 1.…5.5
- CVE-2026-61605Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
Are you affected by CVE-2026-6155?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST