CVE-2022-25062

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

CVSS v3.1

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

3.50% chance of exploitation in the next 30 days, 88th percentile

Published

2022-02-25

Updated

2026-07-09

Proof-of-concept exploits (2)

• https://east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payloa…
• exploitwritter/CVE-2022-250620★ · 2022-02-25

References

• CVE Record
• NVD entry

Related

• CVE-2009-1330
• CVE-2021-44132
• CVE-2022-25060
• CVE-2022-25061
• CVE-2022-25064
• CVE-2022-29337