CVE-2023-26801

CRITICAL EXPLOITED

LB-LINK BL-AC1900, BL-WR9000, BL-X26, and BL-LTE300 Firmware - OS Command Injection via mac, time1, and time2 Parameters

Title source: llm

Exploitation Summary

CVE-2023-26801 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

LB-LINK BL-AC1900_2.0 v1.0.1, LB-LINK BL-WR9000 v2.4.9, LB-LINK BL-X26 v1.2.5, and LB-LINK BL-LTE300 v1.0.8 were discovered to contain a command injection vulnerability via the mac, time1, and time2 parameters at /goform/set_LimitClient_cfg.

References (2)

Core 2

Core References

Exploit, Third Party Advisory

https://github.com/winmt/my-vuls/tree/main/LB-LINK%20BL-AC1900%2C%20BL-WR9000%2C%20BL-X26%20and%20BL-LTE300%20Wireless%20Routers

Various Sources

https://www.akamai.com/blog/security-research/cve-2023-26801-exploited-spreading-mirai-botnet

Scores

CVSS v3 9.8

EPSS 0.6966

EPSS Percentile 99.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

VulnCheck KEV 2023-02-01

CWE

CWE-77

Status published

Products (4)

lb-link/bl-ac1900_firmware 1.0.1

lb-link/bl-lte300_firmware 1.0.8

lb-link/bl-wr9000_firmware 2.4.9

lb-link/bl-x26_firmware 1.2.5

Published Mar 26, 2023

Tracked Since Feb 18, 2026