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Public proof of concept

CVE-2025-10773

A public proof of concept exists; no exploitation attested.

  • Published2025-09-22
  • WeaknessCWE-119 · CWE-121 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-09-2201:15CVE publishedNVD

Versions per branch

NVD
Lb-link bl-ac2100 firmwareversion to verify
BranchAffectedFixed in
1.0≤ 1.0.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • B-Link BL-AC2100
    Affected
    • = 1.0.0no fix stated
    • = 1.0.1no fix stated
    • = 1.0.2no fix stated
    • = 1.0.3no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-09-22

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-09-30
  • CNACVSS 4.07.4known since 2026-10-23
  • CNACVSS 3.18.8known since 2026-10-23
  • CNACVSS 2.09known since 2026-10-23
  • CNAweakness (CWE)CWE-119, CWE-121known since 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score4.6 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-09-22
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-xvvh-w6wp-p287

Frequently asked questions

What is CVE-2025-10773?

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.

Is CVE-2025-10773 actively exploited?

A proof-of-concept exploit exists for CVE-2025-10773, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-10773?

CVE-2025-10773 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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