CVE-2021-29280
MEDIUMCVSS 6.4/10EPSS 0.75%
Last modified
CVE-2021-29280 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
Metrics
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Tl-Wr840n Firmware | All versions |
References
- https://github.com/deadlysnowman3308/upgraded-ARP-PoisoningExploit, Third Party Advisory
- https://hackingvila.wordpress.com/2021/04/28/upgraded-arp-poisoning-tool/Third Party Advisory
- https://github.com/deadlysnowman3308/upgraded-ARP-PoisoningExploit, Third Party Advisory
- https://hackingvila.wordpress.com/2021/04/28/upgraded-arp-poisoning-tool/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29280?
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
How severe is CVE-2021-29280?
CVE-2021-29280 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29280?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-29266An issue was discovered in the Linux kernel before 5.11.9. d…7.8
- CVE-2021-29267Sherlock SherlockIM through 2021-03-29 allows Cross Site Scr…6.1
- CVE-2021-29271remark42 before 1.6.1 allows XSS, as demonstrated by "Locato…6.1
- CVE-2021-29272bluemonday before 1.0.5 allows XSS because certain Go lowerc…6.1
- CVE-2021-29274Redmine 4.1.x before 4.1.2 allows XSS because an issue's sub…6.1
- CVE-2021-29279There is a integer overflow in function filter_core/filter_p…7.8
- CVE-2021-29281File upload vulnerability in GFI Mail Archiver versions up t…9.8
- CVE-2021-29294Null Pointer Dereference vulnerability exists in D-Link DSL-…7.5
- CVE-2021-29295Null Pointer Dereference vulnerability exists in D-Link DSP-…7.5
- CVE-2021-29296Null Pointer Dereference vulnerability in D-Link DIR-825 2.1…7.5
- CVE-2021-29297Buffer Overflow in Emerson GE Automation Proficy Machine Edi…5.3
- CVE-2021-29298Improper Input Validation in Emerson GE Automation Proficy M…5.3
Are you affected by CVE-2021-29280?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST