TI-2025-09864 Aliases CVE-2025-10773 GHSA-xvvh-w6wp-p287

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

HIGH 73CWE-119Published 2025-09-22 · Updated 2025-09-30

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.04556 91st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
B-Link	BL-AC2100	1.0.0; 1.0.1; 1.0.2; 1.0.3	—	No fix listed	CNA

BL-AC2100 VendorB-Link Affected 1.0.0; 1.0.1; 1.0.2; 1.0.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:lb-link:bl-ac2100_firmware::::::::	up to 1.0.3	Vulnerable	LB-LINK
cpe:2.3:h:lb-link:bl-ac2100:-:::::::*	not specified by NVD	Running on	LB-LINK

cpe:2.3:o:lb-link:bl-ac2100_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.3 Vulnerable ·LB-LINK
cpe:2.3:h:lb-link:bl-ac2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·LB-LINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-10773
2026-10-03 Alias added: GHSA-xvvh-w6wp-p287

References

Exploit 1

https://github.com/maximdevere/CVE2/blob/main/README.md

TI-2025-28908 Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300… CVSS 3.1CRITICAL 9.8
TI-2025-28907 Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300… CVSS 3.1CRITICAL 9.8
TI-2025-28906 Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300… CVSS 3.1CRITICAL 9.8
TI-2025-28905 Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300… CVSS 3.1CRITICAL 9.8
TI-2025-28904 Blink routers BL-WR9000 V2.4.9, BL-AC1900 V1.0.2, BL-AC2100_AZ3 V1.0.4, BL-X10_AC8… CVSS 3.1CRITICAL 9.8
TI-2025-08772 LB-LINK BL-X26 HTTP set_hidessid_cfg os command injection CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences