Critical 9.8Published May 26, 2026

CVE-2026-9543Totolink N300RH Web Management cstecgi.cgi setPasswordCfg os command injection

Updated under an hour ago (Oct 26, 2026, 6:00 AM ET)

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It affects Totolink N300RH. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink N300RH

Exploited in the last 30 days

A vulnerability has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the 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: May 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink N300RH totolink:n300rh_firmware	6.1c.1353_B20190305	CNA record

References

https://vuldb.com/vuln/365607vdb-entry, technical-description
https://vuldb.com/vuln/365607/ctisignature, permissions-required
https://vuldb.com/submit/815068third-party-advisory
https://github.com/A1ester/TOTOLINK-N300RH-Command-Injectionexploit
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.