CVE-2025-9580: LB-LINK BL-X26 · OS Command Injection
Affects LB-LINK BL-X26Source CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 5.5% chance of exploitation in 30 days – higher than 92% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LB-LINK BL-X26 | Affected
| Fixed in– |
AI-suggested
- Immediate mitigation should involve isolating the affected LB-LINK BL-X26 devices from critical network segments to limit potential lateral movement.
- Network administrators should implement strict firewall rules to restrict access to the router’s management interface, ideally limiting it to trusted IP addresses or internal networks only.
- Monitor network traffic for unusual patterns or command injection attempts targeting the /goform/set_blacklist endpoint.
- If possible, disable remote management features on the device to reduce exposure.
- Consider replacing the affected router with a device from a vendor with a proven security track record and active patch management.
- In absence of an official patch, advanced users may attempt to implement custom input validation or filtering at the network perimeter, though this is complex and not a substitute for vendor remediation.
- Maintain up-to-date network intrusion detection/prevention systems (IDS/IPS) configured to detect command injection signatures.
- Regularly audit and inventory network devices to identify and track vulnerable hardware versions.
Description
A security vulnerability has been detected in LB-LINK BL-X26 1.2.8. This affects an unknown function of the file /goform/set_blacklist of the component HTTP Handler. Such manipulation of the argument mac leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References
- vuldb.com (opens in a new tab)
- vuldb.com (opens in a new tab)
- vuldb.com (opens in a new tab)
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-2/B-Link%20X26%20V1.2.8.md (opens in a new tab)
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-2/B-Link%20X26%20V1.2.8.md (opens in a new tab)