CVE-2018-3948: tp-link tl-r600vpn_firmware Improper Input Validation
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.
Timeline
- 30-11-2018PublishedVulnerability first disclosed.
- 17-09-2024Last 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- NVDNIST7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tp-link1 product
- tl-r600vpn_firmware1.3.0 | 1.2.3
1 vendor · 1 product
References
1 links- talosintelligence.com/vulnerability_reports/TALOS-2018-0617X Refsource MISCExploitThird Party Advisory