Buffer overflow in Tenda Ax12
CVE-2021-45392
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
Vulnerability class: Buffer Overflow
EPSS: 0.123 (95.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Tenda Ax12
- Tenda Ax12_firmware — versions 22.03.01.21_cn
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-45392?
- CVE-2021-45392 is a high-severity vulnerability in Tenda Ax12, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-02-14.
- How severe is CVE-2021-45392?
- High severity. CVSS v3 base score is 7.5 out of 10.