Integer overflow in TP-Link Tl-Wr840n
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.035 (89.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- TP-Link Tl-Wr840n
- TP-Link Tl-Wr840n Firmware — versions 6.20_180709
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Product)
- af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, Not Applicable)
- east-trowel-102.notion.site/CVE-2021-XXXX-RCE-Integer-Overflow-via-crafted-payl… (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-25062?
- CVE-2022-25062 is a high-severity vulnerability in TP-Link Tl-Wr840n, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2022-02-25.
- How severe is CVE-2022-25062?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-25062 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.