Buffer overflow in Tenda Ac8

CVE-2023-33671

Tenda AC8V4.0-V16.03.34.06 was discovered to contain a stack overflow via the deviceId parameter in the saveParentControlInfo function.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenda Ac8
Tenda Ac8_firmware — versions 16.03.34.06
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2023-33671?: CVE-2023-33671 is a critical-severity vulnerability in Tenda Ac8, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-02.
How severe is CVE-2023-33671?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33671 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.