What is CVE-2024-7172?

CVE-2024-7172 is a high-severity vulnerability in Totolink A3600r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-07-28.

How severe is CVE-2024-7172?

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

Is CVE-2024-7172 known to be exploited?

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

Buffer overflow in Totolink A3600r

CVE-2024-7172

A vulnerability classified as critical was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Affected by this vulnerability is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-272593 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Buffer Overflow

Published 2024-07-28 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.011 (64.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Totolink A3600r — versions 4.1.2cu.5182_B20201102
Totolink A3600r Firmware — versions 4.1.2cu.5182_b20201102

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
vuldb.com/ (Third Party Advisory, third-party-advisory)
github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3600R/getSaveConfig.md (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2024-7172?: CVE-2024-7172 is a high-severity vulnerability in Totolink A3600r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-07-28.
How severe is CVE-2024-7172?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-7172 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.