CVE-2023-26801
CVE-2023-26801 is a critical-severity vulnerability in Lb-link Bl-lte300 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 70% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 70% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Lb-link Bl-lte300 Firmware
- Published:
- Last modified:
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.
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.
- How severe is CVE-2023-26801?
- CVE-2023-26801 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-26801 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-26801?
- CVE-2023-26801 primarily affects Lb-link Bl-lte300 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-26801?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-26801 published?
- CVE-2023-26801 was published on 2023-03-26 and last updated on 2026-06-17.
References
- https://github.com/winmt/my-vuls/tree/main/LB-LINK%20BL-AC1900%2C%20BL-WR9000%2C%20BL-X26%20and%20BL-LTE300%20Wireless%20Routers
- https://www.akamai.com/blog/security-research/cve-2023-26801-exploited-spreading-mirai-botnet
Affected products (4)
- cpe:2.3:o:lb-link:bl-lte300_firmware:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:o:lb-link:bl-x26_firmware:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:lb-link:bl-wr9000_firmware:2.4.9:*:*:*:*:*:*:*
- cpe:2.3:o:lb-link:bl-ac1900_firmware:1.0.1:*:*:*:*:*:*:*
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