CVE-2018-20398

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-12-23 · updated 2026-06-17
Weakness: CWE-522

Description

Skyworth CM5100 V1.1.0, CM5100-440 V1.2.1, CM5100-511 4.1.0.14, CM5100-GHD00 V1.2.2, and CM5100.g2 4.1.0.17 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Affected products

Skyworthdigital Cm5100-440 Firmware: 1.2.1
Skyworthdigital Cm5100-511 Firmware: 4.1.0.14
Skyworthdigital Cm5100-Ghd00 Firmware: 1.2.2
Skyworthdigital Cm5100.G2 Firmware: 4.1.0.17
Hathway Skyworth Router CM5100: 1.1.0

References

https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html
https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html

Get alerted when CVE-2018-20398 or the next vulnerability affects your stack