What is CVE-2024-7333?

CVE-2024-7333 is a high-severity vulnerability in Totolink N350rt, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-08-01.

How severe is CVE-2024-7333?

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

Is CVE-2024-7333 known to be exploited?

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

Buffer overflow in Totolink N350rt

CVE-2024-7333

A vulnerability was found in TOTOLINK N350RT 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Buffer Overflow

Published 2024-08-01 · 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: 0.012 (68.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Totolink N350rt — versions 9.3.5u.6139_B20201216
Totolink N350rt Firmware — versions 9.3.5u.6139_b20201216

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

vuldb.com/ (Permissions Required, technical-description, VDB Entry, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/135a/IoT-vulnerable/blob/main/TOTOLINK/N350RT/setParentalRules.md (Technical Description, Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2024-7333?: CVE-2024-7333 is a high-severity vulnerability in Totolink N350rt, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-08-01.
How severe is CVE-2024-7333?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-7333 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.