CVE-2023-29468: The Texas Instruments (TI) WiLink WL18xx MCP driver does not limit the number of information elements (IEs) of

Q: How do I fix CVE-2023-29468?

wilink8-wifi-mcp8: upgrade to 8.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-29468 being exploited?

CVE-2023-29468 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-2023-29468 affect?

CVE-2023-29468 affects wilink8-wifi-mcp8. Severity is critical (CVSS 9.8). The Texas Instruments (TI) WiLink WL18xx MCP driver does not limit the number of information elements (IEs) of type XCC_EXT_1_IE_ID or XCC_EXT_2_IE_ID that can be parsed in a management frame. Using a specially crafted frame, a buffer overf

Q: How urgent is CVE-2023-29468?

Priority 63/100. Critical severity; EPSS top 4%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-29468 is a critical-severity flaw (CVSS 9.8) affecting wilink8-wifi-mcp8. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Texas Instruments (TI) WiLink WL18xx MCP driver does not limit the number of information elements (IEs) of type XCC_EXT_1_IE_ID or XCC_EXT_2_IE_ID that can be parsed in a management frame. Using a specially crafted frame, a buffer overflow can be triggered that can potentially lead to remote code execution. This affects WILINK8-WIFI-MCP8 version 8.5_SP3 and earlier.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
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	10.1% (top 4%)
CISA exploited list	No
Weakness	CWE-120
Published	2023-08-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ti

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

Am I affected?

Timeline

2023-08-14 19:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

ti wilink8-wifi-mcp8 UPGRADE

Affected: < 8.5 · 8.5 · 8.5 sp3

Fixed in: 8.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wilink8-wifi-mcp8 || rpm -q wilink8-wifi-mcp8 || wilink8-wifi-mcp8 --version

2. UPGRADE to 8.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wilink8-wifi-mcp8

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wilink8-wifi-mcp8

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-2023-29468?

wilink8-wifi-mcp8: upgrade to 8.5. Exact commands for each OS are on this page.

Is CVE-2023-29468 being exploited?

CVE-2023-29468 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-2023-29468 affect?

CVE-2023-29468 affects wilink8-wifi-mcp8. Severity is critical (CVSS 9.8). The Texas Instruments (TI) WiLink WL18xx MCP driver does not limit the number of information elements (IEs) of type XCC_EXT_1_IE_ID or XCC_EXT_2_IE_ID that can be parsed in a management frame. Using a specially crafted frame, a buffer overf

How urgent is CVE-2023-29468?

Priority 63/100. Critical severity; EPSS top 4%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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