7.6

CVE-2025-28170: grandstream gxp1628_firmware

CVSS: 7.6v3.1HighModified
Published 29-07-2025Last modified 05-07-2026

Vulnerability summary

CVE-2025-28170 is a high (CVSS 7.6) vulnerability in grandstream gxp1628_firmware. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 29-07-2025
    PublishedVulnerability first disclosed.
  2. 05-07-2026
    Last modifiedVulnerability information updated.

Description

Grandstream Networks GXP1628 <=1.0.4.130 is vulnerable to Incorrect Access Control. The device is configured with directory listing enabled, allowing unauthorized access to sensitive directories and files.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.03 pp

From 0.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    928Ea6Fd06D3B48C1C91Cfdc30317D8D

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Grandstream1 product

1 vendor · 1 product

References

1 links