What is CVE-2023-39745?

CVE-2023-39745 is a high-severity vulnerability in TP-Link Tl-Wr841n V8, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-08-21.

How severe is CVE-2023-39745?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in TP-Link Tl-Wr841n V8

CVE-2023-39745

TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.3th 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

Weakness classification (CWE)

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

References

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

Frequently asked questions

What is CVE-2023-39745?: CVE-2023-39745 is a high-severity vulnerability in TP-Link Tl-Wr841n V8, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-08-21.
How severe is CVE-2023-39745?: High severity. CVSS v3 base score is 7.5 out of 10.