Vulnerability in TP-Link Tl-Wr840n
CVE-2021-29280
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/deadlysnowman3308/upgraded-ARP-Poisoning (Exploit, Third Party Advisory)
- hackingvila.wordpress.com/2021/04/28/upgraded-arp-poisoning-tool/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29280?
- CVE-2021-29280 is a medium-severity vulnerability in TP-Link Tl-Wr840n, classified under Exposure of Resource to Wrong Sphere. CVSS score: 6.4/10. Published 2021-08-19.
- How severe is CVE-2021-29280?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2021-29280 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.