6.3

CVE-2025-15542: tp-link systems inc. vx800v v1.0

CVSS: 6.3v4.0MediumAnalyzed
Published 29-01-2026Last modified 29-01-2026
Open JSON

Vulnerability summary

CVE-2025-15542 is a medium (CVSS 6.3) vulnerability in tp-link systems inc. vx800v v1.0. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-01-2026
    PublishedVulnerability first disclosed.
  2. 29-01-2026
    Last modifiedVulnerability information updated.

Description

Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.03 pp

From 0.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product
Tp-link systems inc.1 product
  • vx800v v1.0< 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)

2 vendors · 2 products

References

2 links