What is CVE-2024-8576?

CVE-2024-8576 is a high-severity vulnerability in Totolink Ac1200 T10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-09-08.

How severe is CVE-2024-8576?

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

Is CVE-2024-8576 known to be exploited?

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

Buffer overflow in Totolink Ac1200 T10

CVE-2024-8576

A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been classified as critical. Affected is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Buffer Overflow

Published 2024-09-08 · 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 (64.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% 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 Ac1200 T10 — versions 4.1.5cu.861_B20230220, 4.1.8cu.5207
Totolink Ac1200 T8 — versions 4.1.5cu.861_B20230220, 4.1.8cu.5207
Totolink T10
Totolink T10 Firmware — versions 4.1.8cu.5207
Totolink T8
Totolink T8 Firmware — versions 4.1.5cu.861_b20230220

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)
vuldb.com/ (Third Party Advisory, third-party-advisory)
github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/AC1200T8/setIpPortFilt… (Exploit, Third Party Advisory, exploit)
www.totolink.net/ (Product, product)

Frequently asked questions

What is CVE-2024-8576?: CVE-2024-8576 is a high-severity vulnerability in Totolink Ac1200 T10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-09-08.
How severe is CVE-2024-8576?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-8576 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.