CVE-2021-44864 — MEDIUM (6.5)

Vulnerability Description

TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow. Authenticated attackers can crash router httpd services via /userRpm/PingIframeRpm.htm request which contains redundant & in parameter.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Wn886N Firmware	1.0.1
Tp-Link	Wn886N	3.0

Related Weaknesses (CWE)

CWE-120

References

https://github.com/zhlu32/cve/blob/main/tplink/wr886n/Tplink-wr886n-V3-Ping-DOS.ExploitThird Party Advisory
https://github.com/zhlu32/cve/blob/main/tplink/wr886n/Tplink-wr886n-V3-Ping-DOS.ExploitThird Party Advisory

FAQ

What is CVE-2021-44864?

CVE-2021-44864 is a vulnerability with a CVSS score of 6.5 (MEDIUM). TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow. Authenticated attackers can crash router httpd services via /userRpm/PingIframeRpm.htm request which contains redunda...

How severe is CVE-2021-44864?

CVE-2021-44864 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-44864?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Wn886N Firmware, Tp-Link Wn886N.