Buffer overflow in Tenda Ac8_firmware

CVE-2023-48194

Vulnerability in Tenda AC8v4 .V16.03.34.09 due to sscanf and the last digit of s8 being overwritten with \x0. After executing set_client_qos, control over the gp register can be obtained.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.5th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-48194?
CVE-2023-48194 is a critical-severity vulnerability in Tenda Ac8_firmware, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-07-09.
How severe is CVE-2023-48194?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-48194 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.