Vulnerability · Published Jul 27, 2025 · Assigned by VulDB

CVE-2025-8243TOTOLINK X15 HTTP POST Request formMapDel buffer overflow

High 8.8

In plain English

A high-severity 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 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.2%top 30.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formMapDel of the component HTTP POST Request Handler. The manipulation of the argument devicemac1 leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	X15	1.0.0-B20230714.1105

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-317831 | TOTOLINK X15 HTTP POST Request formMapDel buffer overflow vdb-entry, technical-description
VDB-317831 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #622691 | TOTOLINK X15 V1.0.0-B20230714.1105 Buffer Overflow third-party-advisory
https://github.com/panda666-888/vuls/blob/main/totolink/x15/formMapDel.md exploit
https://www.totolink.net/ broken-link, product