How severe is CVE-2025-21482?

CVE-2025-21482 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-21482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21482?

CVE-2025-21482 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 287 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21482?

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.

Does CVE-2025-21482 have an EU (EUVD) identifier?

Yes. CVE-2025-21482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31002.

When was CVE-2025-21482 published?

CVE-2025-21482 was published on 2025-09-24 and last updated on 2026-06-17.

CVE-2025-21482

CVE-2025-21482 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem Firmware with a CVSS 3.x base score of 7.1. 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-310.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31002
Weakness: CWE-310
Affected product: Qualcomm 315 5g Iot Modem Firmware
Published: 2025-09-24
Last modified: 2026-06-17

Description

Cryptographic issue while performing RSA PKCS padding decoding.

Frequently asked questions

What is CVE-2025-21482?: Cryptographic issue while performing RSA PKCS padding decoding.
How severe is CVE-2025-21482?: CVE-2025-21482 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-21482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21482?: CVE-2025-21482 primarily affects Qualcomm 315 5g Iot Modem Firmware. In total, 287 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21482?: 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.
Does CVE-2025-21482 have an EU (EUVD) identifier?: Yes. CVE-2025-21482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31002.
When was CVE-2025-21482 published?: CVE-2025-21482 was published on 2025-09-24 and last updated on 2026-06-17.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html

Affected products (287)

cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9205_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9206_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:9207_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1300_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_4100\+_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x12_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x20_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x24_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x35_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x50_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x62_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x65_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x70_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x72_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x75_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_xr1_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_xr2_5g_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_xr2\+_gen_1_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_auto_4g_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ssg2115p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ssg2125p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sw5100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sw5100p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr1120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr1230p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2230p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2250p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2330p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:talynplus_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:vision_intelligence_100_platform_\(apq8053-aa\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:vision_intelligence_200_platform_\(apq8053-ac\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:vision_intelligence_300_platform_firmware:-:*:*:*:*:*:*:*

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