What is CVE-2023-33537?

CVE-2023-33537 is a high-severity vulnerability in TP-Link Tl-Wr740n, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2023-06-07.

How severe is CVE-2023-33537?

High severity. CVSS v3 base score is 8.1 out of 10.

Out-of-bounds Read in TP-Link Tl-Wr740n

CVE-2023-33537

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/FixMapCfgRpm.

Vulnerability class: Buffer Overflow

Published 2023-06-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.0th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/a101e-IoTvul/iotvul/blob/main/tp-link/1/TL-WR940N_TL-WR841N_TL-WR740… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33537?: CVE-2023-33537 is a high-severity vulnerability in TP-Link Tl-Wr740n, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2023-06-07.
How severe is CVE-2023-33537?: High severity. CVSS v3 base score is 8.1 out of 10.