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.
Affected products
lb-link: bl-x26 firmware; lb-link: bl-x26
References7
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-… ExploitThird Party Advisory
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-… ExploitThird Party Advisory
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-… ExploitThird Party Advisory
- github.com/lin-3-start/lin-cve/blob/main/B-Link%20X26%20V1.2.8-… ExploitThird Party Advisory
- vuldb.com/?ctiid.321693 Permissions RequiredVDB Entry
- vuldb.com/?id.321693 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.636083 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
2.1
LOW
Score source: CNA
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: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 - EPSS — exploit probability
- 6% percentile: 93 · as of 8 November 2026
- CWE
- CWE-77CWE-78
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.