CVE-2023-34849: An unauthorized command injection vulnerability exists in the ActionLogin function of the webman.lua file in I

Q: How do I fix CVE-2023-34849?

ikuaios: upgrade to newer than 3.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-34849 being exploited?

CVE-2023-34849 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-34849 affect?

CVE-2023-34849 affects ikuaios. Severity is critical (CVSS 9.8). An unauthorized command injection vulnerability exists in the ActionLogin function of the webman.lua file in Ikuai router OS through 3.7.1.

Q: How urgent is CVE-2023-34849?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-34849 is a critical-severity flaw (CVSS 9.8) affecting ikuaios. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An unauthorized command injection vulnerability exists in the ActionLogin function of the webman.lua file in Ikuai router OS through 3.7.1.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-06-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ikuai8

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-29 15:15 UTCPublished CVE record published
2026-06-17 06:04 UTCUpdated Record last modified

ikuai8 ikuaios UPGRADE

Affected: <= 3.7.1

Fixed in: newer than 3.7.1

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-34849?

ikuaios: upgrade to newer than 3.7.1. Exact commands for each OS are on this page.

Is CVE-2023-34849 being exploited?

CVE-2023-34849 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-34849 affect?

CVE-2023-34849 affects ikuaios. Severity is critical (CVSS 9.8). An unauthorized command injection vulnerability exists in the ActionLogin function of the webman.lua file in Ikuai router OS through 3.7.1.

How urgent is CVE-2023-34849?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-40469 HIGH 8.8 UPGRADE iKuai OS v3.6.7 was discovered to contain an authenticated remote code execution (RCE) vulnerability.

References

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