CVE-2023-39638
CVE-2023-39638 is a critical-severity vulnerability in Dlink Dir-859 A1 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Dlink Dir-859 A1 Firmware
- Published:
- Last modified:
Description
D-LINK DIR-859 A1 1.05 and A1 1.06B01 Beta01 was discovered to contain a command injection vulnerability via the lxmldbc_system function at /htdocs/cgibin.
Frequently asked questions
- What is CVE-2023-39638?
- D-LINK DIR-859 A1 1.05 and A1 1.06B01 Beta01 was discovered to contain a command injection vulnerability via the lxmldbc_system function at /htdocs/cgibin.
- How severe is CVE-2023-39638?
- CVE-2023-39638 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-2023-39638 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-39638?
- CVE-2023-39638 primarily affects Dlink Dir-859 A1 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-39638?
- 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-2023-39638 published?
- CVE-2023-39638 was published on 2023-09-14 and last updated on 2026-06-17.
References
- http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-859
- https://github.com/mmmmmx1/dlink/blob/main/dir-859/readme.md
- https://www.dlink.com/en/security-bulletin/
Affected products (2)
- cpe:2.3:o:dlink:dir-859_a1_firmware:1.05:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-859_a1_firmware:1.06:beta01:*:*:*:*:*:*
More vulnerabilities in Dlink Dir-859 A1 Firmware
- CVE-2022-46476 — Critical (CVSS 9.8): D-Link DIR-859 A1 1.05 was discovered to contain a command injection vulnerability via the service= variable in the…
All CVEs affecting Dlink Dir-859 A1 Firmware →
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