CVE-2026-52167 AOC CVE debrief

Who should care

Defenders responsible for AOC LC32D1320 devices should assess exposure and prioritize verification of the affected version. The vulnerability can cause a Denial of Service (DoS) and defenders should prioritize verifying the affected version and assessing exposure. Defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-52167 is a stack overflow vulnerability in AOC LC32D1320 v2.05 that allows attackers to cause a Denial of Service (DoS). Defenders should prioritize verifying the affected version and assessing exposure.

• Denial of Service (DoS) attacks may be possible via crafted .PSB subtitle files
• Verification of affected versions is necessary to determine exposure

Technical summary

A stack overflow vulnerability in the gensub_ParsePsb() function of AOC LC32D1320 v2.05 allows attackers to cause a Denial of Service (DoS) via supplying a crafted .PSB subtitle file. The vulnerability affects AOC LC32D1320 devices, and defenders should assess exposure and prioritize verification of the affected version. The vulnerability can cause a Denial of Service (DoS) and defenders should prioritize verifying the affected version and assessing exposure. The CVE record and source item provide limited information about the vulnerability.

Defensive priority

Defenders should prioritize verifying the affected version and assessing exposure, as the vulnerability can cause a Denial of Service (DoS).

Recommended defensive actions

• Verify the affected version of AOC LC32D1320 and assess exposure
• Implement input validation and error handling for .PSB subtitle file parsing
• Monitor for potential Denial of Service (DoS) attacks
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide limited information about the vulnerability. The vendor and product names are not specified, and the affected version is listed as 'n/a'. To verify exposure, defenders should check for AOC LC32D1320 devices in their environment and assess the version of the device. The vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted .PSB subtitle file.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.