CVE-2022-40875
CVE-2022-40875 is a high-severity vulnerability in Tenda Ax1803 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% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda Ax1803 Firmware
- Published:
- Last modified:
Description
Tenda AX1803 v1.0.0.1 was discovered to contain a heap overflow in the function GetParentControlInfo.
Frequently asked questions
- What is CVE-2022-40875?
- Tenda AX1803 v1.0.0.1 was discovered to contain a heap overflow in the function GetParentControlInfo.
- How severe is CVE-2022-40875?
- CVE-2022-40875 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-2022-40875 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-2022-40875?
- CVE-2022-40875 affects Tenda Ax1803 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-40875?
- 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-2022-40875 published?
- CVE-2022-40875 was published on 2022-10-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ax1803_firmware:1.0.0.1:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ax1803 Firmware
- CVE-2024-30621 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the serverName parameter in the function fromAdvSetMacMtuWan.
- CVE-2024-30620 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the serviceName parameter in the function fromAdvSetMacMtuWan.
- CVE-2023-51970 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.
- CVE-2023-51969 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo.
- CVE-2023-51968 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo.
- CVE-2023-51967 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function getIptvInfo.
All CVEs affecting Tenda Ax1803 Firmware →
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