Vulnerability · Published Mar 17, 2025 · Assigned by VulDB

CVE-2025-2370TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in EX1800T from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.2%top 32.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument apcliSsid leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	EX1800T	9.1.0cu.2112_B20220316

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-299869 | TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig stack-based overflow vdb-entry, technical-description
VDB-299869 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #515329 | Totolink EX1800T V9.1.0cu.2112_B20220316 Stack-based Buffer Overflow third-party-advisory
https://github.com/kn0sky/cve/blob/main/TOTOLINK%20EX1800T/Stack-based%20Buffer%20Overflow%2003%20setWiFiExtenderConfig-_apcliSsid.md exploit
https://www.totolink.net/ product