What is CVE-2023-42320?

CVE-2023-42320 is a critical-severity vulnerability in Tenda Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-09-18.

How severe is CVE-2023-42320?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-42320 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda Ac10

CVE-2023-42320

Buffer Overflow vulnerability in Tenda AC10V4 v.US_AC10V4.0si_V16.03.10.13_cn_TDC01 allows a remote attacker to cause a denial of service via the mac parameter in the GetParentControlInfo function.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.5th 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

Tenda Ac10 — versions 4.0
Tenda Ac10_firmware — versions 16.03.10.13
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2023-42320?: CVE-2023-42320 is a critical-severity vulnerability in Tenda Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-09-18.
How severe is CVE-2023-42320?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-42320 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.