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ExploitedNot in CISA KEV yet

CVE-2023-26801

Exploitation confirmed. First attested on 2023-10-13 by GCVE · kevintel, GCVE · shadowserver.

  • Published2023-03-26
  • WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-03-2621:15CVE publishedNVD
  2. 2023-10-1316:00Listed as exploited by GCVEGCVE
  3. 2023-10-1316:00Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-26801?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-26801?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Lb-link bl-ac1900 firmwareversion to verify
BranchAffectedFixed in
1.0= 1.0.1no fix published
Lb-link bl-lte300 firmwareversion to verify
BranchAffectedFixed in
1.0= 1.0.8no fix published
Lb-link bl-wr9000 firmwareversion to verify
BranchAffectedFixed in
2.4= 2.4.9no fix published

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-03-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-c5pj-m2vw-68wh

Frequently asked questions

What is 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.

Is CVE-2023-26801 actively exploited?

A proof-of-concept exploit exists for CVE-2023-26801, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-26801?

CVE-2023-26801 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record