Vulnerability · Published Jun 3, 2025 · Assigned by VulDB

CVE-2025-5503TOTOLINK X15 formMapReboot stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in X15 from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 6.0% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)6.0%top 6.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, was found in TOTOLINK X15 1.0.0-B20230714.1105. This affects the function formMapReboot of the file /boafrm/formMapReboot. The manipulation of the argument deviceMacAddr leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	X15	1.0.0-B20230714.1105

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-310917 | TOTOLINK X15 formMapReboot stack-based overflow vdb-entry, technical-description
VDB-310917 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
https://github.com/Yhuanhuan01/TOTOlink/blob/main/TOTOlink-x15.md#poc2-stack_overflow exploit
https://www.totolink.net/ product