9.8

CVE-2024-28639: totolink a7000r_firmware Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
Published 16-03-2024Last modified 26-03-2025

Vulnerability summary

CVE-2024-28639 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in totolink a7000r_firmware. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 16-03-2024
    PublishedVulnerability first disclosed.
  2. 26-03-2025
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in TOTOLink X5000R V9.1.0u.6118-B20201102 and A7000R V9.1.0u.6115-B20201022, allow remote attackers to execute arbitrary code and cause a denial of service (DoS) via the IP field.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve Information

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Totolink2 products

1 vendor · 2 products

References

1 links