Vulnerability · Published Dec 19, 2025 · Assigned by VulDB
CVE-2025-14964TOTOLINK T10 cstecgi.cgi sprintf stack-based overflow
Critical 9.8
In plain English
A critical-severity stack buffer overflow in T10 from TOTOLINK. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in TOTOLINK T10 4.1.8cu.5083_B20200521. This affects the function sprintf of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument loginAuthUrl leads to stack-based buffer overflow. The attack may be performed from remote.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
References
- VDB-337599 | TOTOLINK T10 cstecgi.cgi sprintf stack-based overflow vdb-entry, technical-description
- VDB-337599 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #717720 | TOTOLINK T10 V2_Firmware V4.1.8cu.5083_B20200521 Buffer Overflow third-party-advisory
- https://github.com/JackWesleyy/CVE/blob/main/TOTOLINK_T10_BOC.md related
- https://www.totolink.net/ product