CVE-2026-6132: Totolink A7100RU CGI cstecgi.cgi setLedCfg os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-12 · updated 2026-10-26
Weakness: CWE-77

Description

A vulnerability was determined in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setLedCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument enable causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Affected products

Totolink A7100RU: 7.4cu.2313_b20191024

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_183/README.md
https://vuldb.com/submit/792252
https://vuldb.com/vuln/356996
https://vuldb.com/vuln/356996/cti
https://www.totolink.net/

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