CVE-2022-21799 json
Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network…
published 2022-02-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-26962
- cvss
- 5.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.2 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 2.9 | AV:A/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- ELECOM CO.,LTD. ELECOM LAN router
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
jvn.jp
/en/jp/JVN17482543/index.html
patch, third-party-advisory
-
elecom.co.jp
/news/security/20220208-02/
vendor-advisory
Sources
- CVE List CVE-2022-21799
- NVD CVE-2022-21799
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