What is CVE-2024-37639?

CVE-2024-37639 is a high-severity vulnerability in Totolink A3700r, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-06-14.

How severe is CVE-2024-37639?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Totolink A3700r

CVE-2024-37639

TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via eport in the function setIpPortFilterRules.

Vulnerability class: Buffer Overflow

Published 2024-06-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Totolink A3700r
Totolink A3700r Firmware — versions 9.1.2u.6165_20211012

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

github.com/s4ndw1ch136/IOT-vuln-reports/blob/main/TOTOLINK/A3700R/setIpPortFilt… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-37639?: CVE-2024-37639 is a high-severity vulnerability in Totolink A3700r, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-06-14.
How severe is CVE-2024-37639?: High severity. CVSS v3 base score is 8.8 out of 10.