7.5

CVE-2018-3948: tp-link tl-r600vpn_firmware Improper Input Validation

CVSS: 7.5v3.0HighModified
Published 30-11-2018Last modified 17-09-2024

Vulnerability summary

CVE-2018-3948 is a high (CVSS 7.5) Improper Input Validation vulnerability in tp-link tl-r600vpn_firmware. EPSS estimates a 23.06% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (CVE.org)
EPSS score
23.06%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-11-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

An exploitable denial-of-service vulnerability exists in the URI-parsing functionality of the TP-Link TL-R600VPN HTTP server. A specially crafted URL can cause the server to stop responding to requests, resulting in downtime for the management portal. An attacker can send either an unauthenticated or authenticated web request to trigger this vulnerability.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

23.06%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 23.06% on 20-09-2026

20-09-202620-10-2026
EPSS score
23.06%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product

1 vendor · 1 product

References

1 links