What is CVE-2023-36358?

CVE-2023-36358 is a high-severity vulnerability in TP-Link Tl-Wr743nd, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.7/10. Published 2023-06-22.

How severe is CVE-2023-36358?

High severity. CVSS v3 base score is 7.7 out of 10.

Buffer overflow in TP-Link Tl-Wr743nd

CVE-2023-36358

TP-Link TL-WR940N V2/V3/V4, TL-WR941ND V5/V6, TL-WR743ND V1 and TL-WR841N V8 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlAccessTargetsRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Vulnerability class: Buffer Overflow

Published 2023-06-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.4th percentile), scored 2026-10-18.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

github.com/a101e-IoTvul/iotvul/blob/main/tp-link/6/TL-WR940N_WR941ND_WR743ND_WR… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-36358?: CVE-2023-36358 is a high-severity vulnerability in TP-Link Tl-Wr743nd, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.7/10. Published 2023-06-22.
How severe is CVE-2023-36358?: High severity. CVSS v3 base score is 7.7 out of 10.