CVE-2024-35099: totolink lr350_firmware Classic Buffer Overflow

Analyzed

Published 13-05-2024Last modified 13-02-2025

Vulnerability summary

CVE-2024-35099 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in totolink lr350_firmware. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.5% of scored vulnerabilities.

Overall risk

70/100

0100

High · default modelHow is this calculated?

CVSS score

9.8/10

010

Critical · v3.1 (CVE.org)

EPSS score

0.84%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

13-05-2024
PublishedVulnerability first disclosed.
13-02-2025
Last modifiedVulnerability information updated.

Description

TOTOLINK LR350 V9.3.5u.6698_B20230810 was discovered to contain a stack overflow via the password parameter in the function loginAuth.

CVSS metrics

2 scores · 2 sources · 1 version

v3.19.8

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.84% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected systems

Totolink1 product

lr350_firmware9.3.5u.6698_b20230810

1 vendor · 1 product

References

1 links

github.com/s4ndw1ch136/IOT-vuln-reports/blob/main/V9.3.5u.6698_B20230810/README.mdBroken Link