7.3

CVE-2025-28027: totolink a3000ru_firmware Stack-based Buffer Overflow

CVSS: 7.3v3.1HighAnalyzed
Published 22-04-2025Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2025-28027 is a high (CVSS 7.3) Stack-based Buffer Overflow vulnerability in totolink a3000ru_firmware. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 22-04-2025
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 was found to contain a buffer overflow vulnerability in downloadFile.cgi.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

0.00 pp

From 0.39% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (locrian-lightning-dc7.notion.site)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (locrian-lightning-dc7.notion.site)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Totolink4 products

1 vendor · 4 products

References

2 links