What is CVE-2022-25073?

CVE-2022-25073 is a critical-severity vulnerability in TP-Link Tl-Wr841n, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-24.

How severe is CVE-2022-25073?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in TP-Link Tl-Wr841n

CVE-2022-25073

TL-WR841Nv14_US_0.9.1_4.18 routers were discovered to contain a stack overflow in the function dm_fillObjByStr(). This vulnerability allows unauthenticated attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2022-02-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.130 (96.3th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.130 · newest: 0.130 · change: 0.000

Affected products

TP-Link Tl-Wr841n — versions v14
TP-Link Tl-Wr841n Firmware — versions 0.9.1_4.18

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/EPhaha/IOT_vuln/tree/main/TP-Link/TL-WR841N (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25073?: CVE-2022-25073 is a critical-severity vulnerability in TP-Link Tl-Wr841n, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-24.
How severe is CVE-2022-25073?: Critical severity. CVSS v3 base score is 9.8 out of 10.