Vulnerability · Published Jun 16, 2025 · Assigned by VulDB

CVE-2025-6145TOTOLINK EX1200T HTTP POST Request formSysLog buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in EX1200T 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 37.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formSysLog of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	EX1200T	4.1.2cu.5232_B20210713

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-312620 | TOTOLINK EX1200T HTTP POST Request formSysLog buffer overflow vdb-entry, technical-description
VDB-312620 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #593011 | TOTOLINK EX1200T V4.1.2cu.5232_B20210713 Buffer Overflow third-party-advisory
https://github.com/awindog/cve/blob/main/688/2.md related
https://github.com/awindog/cve/blob/main/688/2.md#poc exploit
https://www.totolink.net/ product