CVE-2023-39827
CVE-2023-39827 is a high-severity vulnerability in Tenda A18 Firmware with a CVSS 3.x base score of 7.5. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda A18 Firmware
- Published:
- Last modified:
Description
Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the rule_info parameter in the formAddMacfilterRule function.
Frequently asked questions
- What is CVE-2023-39827?
- Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the rule_info parameter in the formAddMacfilterRule function.
- How severe is CVE-2023-39827?
- CVE-2023-39827 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-39827 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-39827?
- CVE-2023-39827 affects Tenda A18 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-39827?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-39827 published?
- CVE-2023-39827 was published on 2023-08-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:a18_firmware:15.13.07.09:*:*:*:*:*:*:*
More vulnerabilities in Tenda A18 Firmware
- CVE-2023-50585 — Critical (CVSS 9.8): Tenda A18 v15.13.07.09 was discovered to contain a stack overflow via the devName parameter in the formSetDeviceName…
- CVE-2026-2877 — High (CVSS 8.8): A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file…
- CVE-2026-2876 — High (CVSS 8.8): A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file…
- CVE-2024-32305 — High (CVSS 8.8): Tenda A18 v15.03.05.05 firmware has a stack overflow vulnerability located via the PPW parameter in the…
- CVE-2023-39829 — High (CVSS 7.5): Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the wpapsk_crypto2_4g parameter in the…
- CVE-2023-39828 — High (CVSS 7.5): Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the security parameter in the formWifiBasicSet…
All CVEs affecting Tenda A18 Firmware →
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