Vulnerability · Published Jun 17, 2025 · Assigned by VulDB

CVE-2025-6149TOTOLINK A3002R HTTP POST Request formSysLog buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in A3002R 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 64% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 35.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical has been found in TOTOLINK A3002R 4.0.0-B20230531.1404. Affected is an unknown function of the file /boafrm/formSysLog of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	A3002R	4.0.0-B20230531.1404

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-312624 | TOTOLINK A3002R HTTP POST Request formSysLog buffer overflow vdb-entry, technical-description
VDB-312624 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #593019 | TOTOLINK A3002R V4.0.0-B20230531.1404 Buffer Overflow third-party-advisory
https://github.com/Lena-lyy/cve/blob/main/6.md related
https://github.com/Lena-lyy/cve/blob/main/6.md#poc exploit
https://www.totolink.net/ product