CVE-2023-27239
CVE-2023-27239 is a critical-severity vulnerability in Tenda Ax3 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda Ax3 Firmware
- Published:
- Last modified:
Description
Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet.
Frequently asked questions
- What is CVE-2023-27239?
- Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet.
- How severe is CVE-2023-27239?
- CVE-2023-27239 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-2023-27239 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27239?
- CVE-2023-27239 affects Tenda Ax3 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27239?
- 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-2023-27239 published?
- CVE-2023-27239 was published on 2023-03-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ax3_firmware:16.03.12.11:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ax3 Firmware
- CVE-2025-69764 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
- CVE-2025-69766 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper…
- CVE-2025-69763 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause…
- CVE-2025-69762 — Critical (CVSS 9.8): Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list parameter, which can cause memory…
- CVE-2023-51812 — Critical (CVSS 9.8): Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at…
- CVE-2023-49409 — Critical (CVSS 9.8): Tenda AX3 V16.03.12.11 was discovered to contain a Command Execution vulnerability via the function /goform/telnet.
All CVEs affecting Tenda Ax3 Firmware →
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