---
id: CVE-2025-21482
title: Cryptographic issue while performing RSA PKCS padding decoding.
summary: Cryptographic issue while performing RSA PKCS padding decoding.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-310
vendor: qualcomm
product: 315_5g_iot_modem_firmware
affected:
  - 315_5g_iot_modem_firmware
  - 9205_lte_modem_firmware
  - 9206_lte_modem_firmware
  - 9207_lte_modem_firmware
  - apq8017_firmware
  - snapdragon_wear_1300_platform_firmware
  - snapdragon_wear_4100+_platform_firmware
  - snapdragon_x12_lte_modem_firmware
  - snapdragon_x20_lte_modem_firmware
  - snapdragon_x24_lte_modem_firmware
  - snapdragon_x35_5g_modem-rf_system_firmware
  - snapdragon_x5_lte_modem_firmware
  - snapdragon_x50_5g_modem-rf_system_firmware
  - snapdragon_x55_5g_modem-rf_system_firmware
  - snapdragon_x62_5g_modem-rf_system_firmware
  - snapdragon_x65_5g_modem-rf_system_firmware
  - snapdragon_x70_modem-rf_system_firmware
  - snapdragon_x72_5g_modem-rf_system_firmware
  - snapdragon_x75_5g_modem-rf_system_firmware
  - snapdragon_xr1_platform_firmware
  - snapdragon_xr2_5g_platform_firmware
  - snapdragon_xr2+_gen_1_platform_firmware
  - snapdragon_auto_4g_modem_firmware
  - srv1h_firmware
  - srv1l_firmware
  - srv1m_firmware
  - ssg2115p_firmware
  - ssg2125p_firmware
  - sw5100_firmware
  - sw5100p_firmware
  - sxr1120_firmware
  - sxr1230p_firmware
  - sxr2130_firmware
  - sxr2230p_firmware
  - sxr2250p_firmware
  - sxr2330p_firmware
  - talynplus_firmware
  - vision_intelligence_100_platform_(apq8053-aa)_firmware
  - vision_intelligence_200_platform_(apq8053-ac)_firmware
  - vision_intelligence_300_platform_firmware
  - vision_intelligence_400_platform_firmware
  - wcd9306_firmware
  - wcd9326_firmware
  - wcd9330_firmware
  - wcd9335_firmware
  - apq8037_firmware
  - apq8064au_firmware
  - apq8092_firmware
  - apq8094_firmware
  - aqt1000_firmware
  - ar3012_firmware
  - ar7420_firmware
  - ar8031_firmware
  - ar8035_firmware
  - ar9380_firmware
  - c-v2x_9150_firmware
  - csr8811_firmware
  - csra6620_firmware
  - csra6640_firmware
  - csrb31024_firmware
  - fastconnect_6200_firmware
  - fastconnect_6700_firmware
  - fastconnect_6800_firmware
  - fastconnect_6900_firmware
  - fastconnect_7800_firmware
  - flight_rb5_5g_platform_firmware
  - fsm9900_firmware
  - fsm9905_firmware
  - fsm9910_firmware
  - fsm9915_firmware
  - fsm9916_firmware
  - fsm9950_firmware
  - fsm9955_firmware
  - home_hub_100_platform_firmware
  - immersive_home_214_platform_firmware
  - immersive_home_216_platform_firmware
  - immersive_home_316_platform_firmware
  - immersive_home_318_platform_firmware
  - immersive_home_3210_platform_firmware
  - immersive_home_326_platform_firmware
  - ipq4018_firmware
  - ipq4019_firmware
  - ipq4028_firmware
  - ipq4029_firmware
  - ipq5010_firmware
  - sg8275p_firmware
  - sm4125_firmware
  - sm4635_firmware
  - sm6250_firmware
  - sm6250p_firmware
  - sm6370_firmware
  - sm6650_firmware
  - sm7250p_firmware
  - sm7315_firmware
  - sm7325p_firmware
  - sm7635_firmware
  - sm7675_firmware
  - sm7675p_firmware
  - sm8550p_firmware
  - sm8635_firmware
published: '2025-09-24'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-21482'
references:
  - url: >-
      https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html
    label: product-security@qualcomm.com
tags:
  - nvd
epss: 0.00085
epssPercentile: 0.00296
ingestedAt: '2026-09-26T00:22:39.953Z'
---

## Overview

Cryptographic issue while performing RSA PKCS padding decoding.

## Affected

- `315_5g_iot_modem_firmware`
- `9205_lte_modem_firmware`
- `9206_lte_modem_firmware`
- `9207_lte_modem_firmware`
- `apq8017_firmware`
- `snapdragon_wear_1300_platform_firmware`
- `snapdragon_wear_4100+_platform_firmware`
- `snapdragon_x12_lte_modem_firmware`
- `snapdragon_x20_lte_modem_firmware`
- `snapdragon_x24_lte_modem_firmware`
- `snapdragon_x35_5g_modem-rf_system_firmware`
- `snapdragon_x5_lte_modem_firmware`
- `snapdragon_x50_5g_modem-rf_system_firmware`
- `snapdragon_x55_5g_modem-rf_system_firmware`
- `snapdragon_x62_5g_modem-rf_system_firmware`
- `snapdragon_x65_5g_modem-rf_system_firmware`
- `snapdragon_x70_modem-rf_system_firmware`
- `snapdragon_x72_5g_modem-rf_system_firmware`
- `snapdragon_x75_5g_modem-rf_system_firmware`
- `snapdragon_xr1_platform_firmware`
- `snapdragon_xr2_5g_platform_firmware`
- `snapdragon_xr2+_gen_1_platform_firmware`
- `snapdragon_auto_4g_modem_firmware`
- `srv1h_firmware`
- `srv1l_firmware`
- `srv1m_firmware`
- `ssg2115p_firmware`
- `ssg2125p_firmware`
- `sw5100_firmware`
- `sw5100p_firmware`
- `sxr1120_firmware`
- `sxr1230p_firmware`
- `sxr2130_firmware`
- `sxr2230p_firmware`
- `sxr2250p_firmware`
- `sxr2330p_firmware`
- `talynplus_firmware`
- `vision_intelligence_100_platform_(apq8053-aa)_firmware`
- `vision_intelligence_200_platform_(apq8053-ac)_firmware`
- `vision_intelligence_300_platform_firmware`
- `vision_intelligence_400_platform_firmware`
- `wcd9306_firmware`
- `wcd9326_firmware`
- `wcd9330_firmware`
- `wcd9335_firmware`
- `apq8037_firmware`
- `apq8064au_firmware`
- `apq8092_firmware`
- `apq8094_firmware`
- `aqt1000_firmware`
- `ar3012_firmware`
- `ar7420_firmware`
- `ar8031_firmware`
- `ar8035_firmware`
- `ar9380_firmware`
- `c-v2x_9150_firmware`
- `csr8811_firmware`
- `csra6620_firmware`
- `csra6640_firmware`
- `csrb31024_firmware`
- `fastconnect_6200_firmware`
- `fastconnect_6700_firmware`
- `fastconnect_6800_firmware`
- `fastconnect_6900_firmware`
- `fastconnect_7800_firmware`
- `flight_rb5_5g_platform_firmware`
- `fsm9900_firmware`
- `fsm9905_firmware`
- `fsm9910_firmware`
- `fsm9915_firmware`
- `fsm9916_firmware`
- `fsm9950_firmware`
- `fsm9955_firmware`
- `home_hub_100_platform_firmware`
- `immersive_home_214_platform_firmware`
- `immersive_home_216_platform_firmware`
- `immersive_home_316_platform_firmware`
- `immersive_home_318_platform_firmware`
- `immersive_home_3210_platform_firmware`
- `immersive_home_326_platform_firmware`
- `ipq4018_firmware`
- `ipq4019_firmware`
- `ipq4028_firmware`
- `ipq4029_firmware`
- `ipq5010_firmware`
- `sg8275p_firmware`
- `sm4125_firmware`
- `sm4635_firmware`
- `sm6250_firmware`
- `sm6250p_firmware`
- `sm6370_firmware`
- `sm6650_firmware`
- `sm7250p_firmware`
- `sm7315_firmware`
- `sm7325p_firmware`
- `sm7635_firmware`
- `sm7675_firmware`
- `sm7675p_firmware`
- `sm8550p_firmware`
- `sm8635_firmware`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.