CVE-2022-27226

HIGH
8.8
CVSS Score
Published: March 19, 2022 at 03:04 AM UTC
Updated: June 17, 2026 at 04:36 AM UTC
10 products affected across 1 vendorRU21 FirmwareRU21W FirmwareRL01 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 34%

Description

A CSRF issue in /api/crontab on iRZ Mobile Routers through 2022-03-16 allows a threat actor to create a crontab entry in the router administration panel. The cronjob will consequently execute the entry on the threat actor's defined interval, leading to remote code execution, allowing the threat actor to gain filesystem access. In addition, if the router's default credentials aren't rotated or a threat actor discovers valid credentials, remote code execution can be achieved without user interaction.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2022-03-16
irz-rl01 (same device)
v ≤ 2022-03-16
irz-rl21 (same device)
v ≤ 2022-03-16
irz-ru21 (same device)
v ≤ 2022-03-16
irz-ru21w (same device)
v ≤ 2022-03-16
irz-ru41 (same device)
80%
All versions
80%
All versions
80%
All versions
80%
All versions
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_MISCProduct
https://en.irz.ru
x_refsource_MISCExploitThird Party Advisory
https://github.com/SakuraSamuraii/ez-iRZ
x_refsource_MISCExploitThird Party Advisory
https://johnjhacking.com/blog/cve-2022-27226/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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