Medium severity5.4NVD Advisory· Published Dec 1, 2021· Updated Jun 17, 2026
CVE-2021-20858
CVE-2021-20858
Description
Cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:o:elecom:wrc-2533ghbk-i_firmware:*:*:*:*:*:*:*:*Range: <=1.20
- Range: <=1.20
- ELECOM CO.,LTD./ELECOM LAN routerv5Range: WRC-2533GHBK-I firmware v1.20 and prior
Patches
Vulnerability mechanics
References
2- jvn.jp/en/jp/JVN88993473/index.htmlnvdThird Party Advisory
- www.elecom.co.jp/news/security/20211130-01/nvdVendor Advisory
News mentions
0No linked articles in our index yet.