Critical 9.8Published Apr 9, 2026

CVE-2026-5997Totolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection

Updated under an hour ago (Oct 26, 2026, 8:20 AM ET)

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Every CVE for Totolink A7100RU

Exploited in the last 30 days

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink A7100RU totolink:a7100ru_firmware	7.4cu.2313_b20191024	CNA record

References

https://vuldb.com/vuln/356551vdb-entry, technical-description
https://vuldb.com/vuln/356551/ctisignature, permissions-required
https://vuldb.com/submit/792045third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_169/README.mdexploit
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.