CVE-2022-21799
MEDIUMCVSS 5.2/10EPSS 0.35%
Last modified
CVE-2022-21799 is a medium-severity vulnerability rated 5.2/10 on the CVSS scale. Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elecom | Wrc-300febk-R Firmware | < 1.16 |
References
- https://jvn.jp/en/jp/JVN17482543/index.htmlPatch, Third Party Advisory
- https://www.elecom.co.jp/news/security/20220208-02/Vendor Advisory
- https://jvn.jp/en/jp/JVN17482543/index.htmlPatch, Third Party Advisory
- https://www.elecom.co.jp/news/security/20220208-02/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-21799?
Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.
How severe is CVE-2022-21799?
CVE-2022-21799 has a CVSS score of 5.2/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2022-21799?
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-2022-21799?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST