CVE-2018-3948 — HIGH (7.5) — White Hats Nepal

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-R600Vpn Firmware	1.3.0
Tp-Link	Tl-R600Vpn	v3

Related Weaknesses (CWE)

CWE-20

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0617ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0617ExploitThird Party Advisory

FAQ

What is CVE-2018-3948?

CVE-2018-3948 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 request...

How severe is CVE-2018-3948?

CVE-2018-3948 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3948?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-R600Vpn Firmware, Tp-Link Tl-R600Vpn.