RCE in Lb-Link Bl-Ac1900

CVE-2023-26801

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.777 (99.6th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-26801: rose from 0.697 to 0.777.

EPSS over last 30 days · oldest: 0.697 · newest: 0.777 · change: +0.080

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-26801?
CVE-2023-26801 is a critical-severity vulnerability in Lb-Link Bl-Ac1900, classified under Command Injection. CVSS score: 9.8/10. Published 2023-03-26.
How severe is CVE-2023-26801?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-26801 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.