SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-40740

A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.

HIGH 7.2EPSS 1.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
1.47% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
realtek/usdk · realtek/xpon software development kit
Source
twcert@cert.org.tw

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.