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CVE-2026-6131

Totolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
Vexday Risk Score
48Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.3EPSS 1.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
12 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument command results in os command injection. The attack may be launched remotely. The exploit has been made public and could be used.
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
Affected products
Totolink · A7100RU
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.mdhttps://vuldb.com/submit/792251https://vuldb.com/vuln/356995https://vuldb.com/vuln/356995/ctihttps://www.totolink.net/