How severe is CVE-2022-25678?

CVE-2022-25678 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-2022-25678 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-2022-25678?

CVE-2022-25678 primarily affects Qualcomm Mdm8207 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-25678?

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-2022-25678 published?

CVE-2022-25678 was published on 2023-04-13 and last updated on 2026-06-17.

CVE-2022-25678

CVE-2022-25678 is a critical-severity vulnerability in Qualcomm Mdm8207 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-787.

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-787
Affected product: Qualcomm Mdm8207 Firmware
Published: 2023-04-13
Last modified: 2026-06-17

Description

Memory correction in modem due to buffer overwrite during coap connection

Frequently asked questions

What is CVE-2022-25678?: Memory correction in modem due to buffer overwrite during coap connection
How severe is CVE-2022-25678?: CVE-2022-25678 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-2022-25678 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-2022-25678?: CVE-2022-25678 primarily affects Qualcomm Mdm8207 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-25678?: 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-2022-25678 published?: CVE-2022-25678 was published on 2023-04-13 and last updated on 2026-06-17.

References

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

Affected products (12)

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:qca4004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qts110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9306_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Mdm8207 Firmware

CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
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-2022-33259 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.
CVE-2022-33211 — Critical (CVSS 9.8): memory corruption in modem due to improper check while calculating size of serialized CoAP message
CVE-2022-25740 — Critical (CVSS 9.8): Memory corruption in modem due to buffer overwrite while building an IPv6 multicast address based on the MAC address of…
CVE-2022-25727 — Critical (CVSS 9.8): Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT,…

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