Vulnerability · Published Jun 16, 2025 · Assigned by VulDB

CVE-2025-6129TOTOLINK EX1200T HTTP POST Request formSaveConfig 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 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 38.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This vulnerability affects unknown code of the file /boafrm/formSaveConfig of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated 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-312598 | TOTOLINK EX1200T HTTP POST Request formSaveConfig buffer overflow vdb-entry, technical-description
VDB-312598 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #592695 | TOTOLINK EX1200T V4.1.2cu.5232_B20210713 Buffer Overflow third-party-advisory
https://github.com/byxs0x0/cve2/blob/main/9.md related
https://github.com/byxs0x0/cve2/blob/main/9.md#poc exploit
https://www.totolink.net/ product