CVE-2021-44864

6.5 mediumEPSS 10%

Medium (6.5) in tp-link wn886n firmware. EPSS 10% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 10% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2022-02-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tp-link:wn886n_firmware

References

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

Check your stack JSON