Vulnerability · Published Sep 22, 2025 · Assigned by VulDB

CVE-2025-10773B-Link BL-AC2100 Web Management set_delshrpath_cfg delshrpath stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in BL-AC2100 from B-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)4.6%top 8.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in B-Link BL-AC2100 up to 1.0.3. Affected by this issue is the function delshrpath of the file /goform/set_delshrpath_cfg of the component Web Management Interface. The manipulation of the argument Type results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
B-Link	BL-AC2100	1.0.01.0.11.0.21.0.3

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/E:P/RL:X/RC:R

References

VDB-325129 | B-Link BL-AC2100 Web Management set_delshrpath_cfg delshrpath stack-based overflow vdb-entry, technical-description
VDB-325129 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #649901 | LB-LINK AC2100 V1.0.3 Stack-based Buffer Overflow third-party-advisory
https://github.com/maximdevere/CVE2/blob/main/README.md exploit