CVE-2023-40802
CVE-2023-40802 is a medium-severity vulnerability in Tenda Ac23 Firmware with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda Ac23 Firmware
- Published:
- Last modified:
Description
The get_parentControl_list_Info function does not verify the parameters entered by the user, causing a post-authentication heap overflow vulnerability in Tenda AC23 v16.03.07.45_cn
Frequently asked questions
- What is CVE-2023-40802?
- The get_parentControl_list_Info function does not verify the parameters entered by the user, causing a post-authentication heap overflow vulnerability in Tenda AC23 v16.03.07.45_cn
- How severe is CVE-2023-40802?
- CVE-2023-40802 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-40802 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-2023-40802?
- CVE-2023-40802 affects Tenda Ac23 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-40802?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-40802 published?
- CVE-2023-40802 was published on 2023-08-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ac23_firmware:16.03.07.45_cn:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ac23 Firmware
- CVE-2025-9605 — Critical (CVSS 9.8): A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function…
- CVE-2023-40799 — Critical (CVSS 9.8): Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.
- CVE-2022-43108 — Critical (CVSS 9.8): Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the…
- CVE-2022-43107 — Critical (CVSS 9.8): Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the time parameter in the…
- CVE-2022-43106 — Critical (CVSS 9.8): Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the schedStartTime parameter in the…
- CVE-2022-43105 — Critical (CVSS 9.8): Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the shareSpeed parameter in the…
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