CVE-2021-46122
HIGHCVSS 7.2/10EPSS 1.49%
Last modified
CVE-2021-46122 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.
Description
Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Tp-Link | Tl-Wr840n Firmware | 0.9.1_4.17_v0001.0 | Build 201124 Rel.64328n |
References
- https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.htmlExploit, Third Party Advisory
- https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.htmlExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46122?
Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.
How severe is CVE-2021-46122?
CVE-2021-46122 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46122?
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.
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Are you affected by CVE-2021-46122?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST