How severe is CVE-2022-25727?

CVE-2022-25727 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-2022-25727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25727?

CVE-2022-25727 primarily affects Qualcomm Ar8031 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25727?

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-2022-25727 published?

CVE-2022-25727 was published on 2022-11-15 and last updated on 2026-06-17.

CVE-2022-25727

CVE-2022-25727 is a critical-severity vulnerability in Qualcomm Ar8031 Firmware 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-1284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1284
Affected product: Qualcomm Ar8031 Firmware
Published: 2022-11-15
Last modified: 2026-06-17

Description

Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music

Frequently asked questions

What is CVE-2022-25727?: Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
How severe is CVE-2022-25727?: CVE-2022-25727 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-2022-25727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25727?: CVE-2022-25727 primarily affects Qualcomm Ar8031 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25727?: 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-2022-25727 published?: CVE-2022-25727 was published on 2022-11-15 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/november-2022-bulletin

Affected products (21)

cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm8207_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9206_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9207_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9607_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4020_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9306_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9335_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3999_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Ar8031 Firmware

CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
CVE-2022-40514 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in…
CVE-2022-25729 — Critical (CVSS 9.8): Memory corruption in modem due to improper length check while copying into memory
CVE-2022-22088 — Critical (CVSS 9.8): Memory corruption in Bluetooth HOST due to buffer overflow while parsing the command response received from remote
CVE-2022-25748 — Critical (CVSS 9.8): Memory corruption in WLAN due to integer overflow to buffer overflow while parsing GTK frames. in Snapdragon Auto,…
CVE-2022-25720 — Critical (CVSS 9.8): Memory corruption in WLAN due to out of bound array access during connect/roaming in Snapdragon Auto, Snapdragon…

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