What is CVE-2024-53335?

CVE-2024-53335 is a high-severity vulnerability in Totolink A810r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-11-21.

How severe is CVE-2024-53335?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Totolink A810r

CVE-2024-53335

TOTOLINK A810R V4.1.2cu.5182_B20201026 is vulnerable to Buffer Overflow in downloadFlile.cgi.

Vulnerability class: Buffer Overflow

Published 2024-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (14.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Totolink A810r
Totolink A810r Firmware — versions 4.1.2cu.5182_b20201026

Weakness classification (CWE)

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

References

github.com/luckysmallbird/Totolink-A810R-Vulnerability-1/blob/main/2.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-53335?: CVE-2024-53335 is a high-severity vulnerability in Totolink A810r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-11-21.
How severe is CVE-2024-53335?: High severity. CVSS v3 base score is 7.8 out of 10.