Vulnerability · Published Jul 11, 2025 · Assigned by VulDB

CVE-2025-7460TOTOLINK T6 HTTP POST Request cstecgi.cgi setWiFiAclRules buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in T6 from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 38.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument mac leads to 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	T6	4.1.5cu.748_B20211015

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-316111 | TOTOLINK T6 HTTP POST Request cstecgi.cgi setWiFiAclRules buffer overflow vdb-entry, technical-description
VDB-316111 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #609819 | TOTOLINK T6 V4.1.5cu.748_B20211015 Buffer Overflow third-party-advisory
https://github.com/ElvisBlue/Public/blob/main/Vuln/1.md related
https://github.com/ElvisBlue/Public/blob/main/Vuln/1.md#poc exploit
https://www.totolink.net/ product