How severe is CVE-2026-81321?

CVE-2026-81321 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-81321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-81321?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-81321 published?

CVE-2026-81321 was published on 2026-09-18 and last updated on 2026-09-19.

CVE-2026-81321

CVE-2026-81321 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Published: 2026-09-18
Last modified: 2026-09-19

Description

CM2507 IP cameras store configured wireless network credentials in cleartext within the device filesystem. An attacker who obtains filesystem access through physical access, a debugging interface, or another vulnerability could recover the configured network identifier and pre-shared key.

Frequently asked questions

What is CVE-2026-81321?: CM2507 IP cameras store configured wireless network credentials in cleartext within the device filesystem. An attacker who obtains filesystem access through physical access, a debugging interface, or another vulnerability could recover the configured network identifier and pre-shared key.
How severe is CVE-2026-81321?: CVE-2026-81321 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-81321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-81321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-81321 published?: CVE-2026-81321 was published on 2026-09-18 and last updated on 2026-09-19.

References

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