VulnerabilityModified

CVE-2018-0665

MEDIUM 6.8EPSS 0.65%

Does this matter?

Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.

Description

Yamaha routers RT57i Rev.8.00.95 and earlier, RT58i Rev.9.01.51 and earlier, NVR500 Rev.11.00.36 and earlier, RTX810 Rev.11.01.31 and earlier, allow an administrative user to embed arbitrary scripts to the configuration data through a certain form field of the configuration page, which may be executed on another administrative user's web browser. This is a different vulnerability from CVE-2018-0666.

CVSS 3.0: 6.8 MEDIUMCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.65% probability · 51th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: yamaha/rt57i firmware · yamaha/rt58i firmware · yamaha/nvr500 firmware · yamaha/rtx810 firmware
Source: vultures@jpcert.or.jp

EPSS trend

EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.htmlThird Party Advisory
https://flets-w.com/solution/kiki_info/info/180829.htmlThird Party Advisory
https://jvn.jp/en/jp/JVN69967692/index.htmlThird Party Advisory
https://web116.jp/ced/support/news/contents/2018/20180829b.htmlThird Party Advisory
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.htmlThird Party Advisory
https://flets-w.com/solution/kiki_info/info/180829.htmlThird Party Advisory
https://jvn.jp/en/jp/JVN69967692/index.htmlThird Party Advisory
https://web116.jp/ced/support/news/contents/2018/20180829b.htmlThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.