CVE-2022-25733

CVE-2022-25733 is a high-severity vulnerability in Qualcomm Ar8031 Firmware with a CVSS 3.x base score of 7.5. 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-476.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• EPSS exploit prediction: 0% (33rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-476
• Affected product: Qualcomm Ar8031 Firmware
• Published: 2023-02-12
• Last modified: 2026-06-17

Description

Denial of service in modem due to null pointer dereference while processing DNS packets

Frequently asked questions

What is CVE-2022-25733?

Denial of service in modem due to null pointer dereference while processing DNS packets

How severe is CVE-2022-25733?

CVE-2022-25733 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-25733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25733?

CVE-2022-25733 primarily affects Qualcomm Ar8031 Firmware. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25733?

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

When was CVE-2022-25733 published?

CVE-2022-25733 was published on 2023-02-12 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins/february-2023-bulletin

Affected products (35)

• 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:qts110_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ssg2115p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:ssg2125p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr1230p_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr2230p_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:wcd9380_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcd9385_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:wcn6855_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn7850_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wcn7851_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:wsa8835_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-2022-25727 — Critical (CVSS 9.8): Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT,…
• 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,…

All CVEs affecting Qualcomm Ar8031 Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

• CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
• CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
• CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
• CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
• CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
• CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →