CVE-2022-29859: component/common/network/dhcp/dhcps.c in ambiot amb1_sdk (aka SDK for Ameba1) before 2022-03-11 mishandles dat

Q: How do I fix CVE-2022-29859?

amb1 sdk: upgrade to 2022-03-11. Exact commands for each OS are on this page.

Q: Is CVE-2022-29859 being exploited?

CVE-2022-29859 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-2022-29859 affect?

CVE-2022-29859 affects amb1 sdk. Severity is critical (CVSS 9.8). component/common/network/dhcp/dhcps.c in ambiot amb1_sdk (aka SDK for Ameba1) before 2022-03-11 mishandles data structures for DHCP packet data.

Q: How urgent is CVE-2022-29859?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-29859 is a critical-severity flaw (CVSS 9.8) affecting amb1 sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

component/common/network/dhcp/dhcps.c in ambiot amb1_sdk (aka SDK for Ameba1) before 2022-03-11 mishandles data structures for DHCP packet data.

Why this priority

Critical severity
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	1.3% (top 29%)
CISA exploited list	No
Published	2022-04-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: amb1 sdk project

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

Am I affected?

Timeline

2022-04-27 23:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

amb1 sdk project amb1 sdk UPGRADE

Affected: < 2022-03-11

Fixed in: 2022-03-11

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy amb1-sdk || rpm -q amb1-sdk || amb1-sdk --version

2. UPGRADE to 2022-03-11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade amb1-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade amb1-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-29859?

amb1 sdk: upgrade to 2022-03-11. Exact commands for each OS are on this page.

Is CVE-2022-29859 being exploited?

CVE-2022-29859 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-2022-29859 affect?

CVE-2022-29859 affects amb1 sdk. Severity is critical (CVSS 9.8). component/common/network/dhcp/dhcps.c in ambiot amb1_sdk (aka SDK for Ameba1) before 2022-03-11 mishandles data structures for DHCP packet data.

How urgent is CVE-2022-29859?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

References

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