CVE-2025-27071: Buffer Copy Without Checking Size of Input in Powerline Communication Firmware
Published Aug 6, 2025
·Updated
Memory corruption while processing specific files in Powerline Communication Firmware.
Affected Software
68 affected components
All of the following
Qualcomm Fastconnect 6800 Firmware
Qualcomm Fastconnect 6800
All of the following
Qualcomm Fastconnect 6900 Firmware
Qualcomm Fastconnect 6900
All of the following
Qualcomm Fastconnect 7800 Firmware
Qualcomm Fastconnect 7800
All of the following
Qualcomm Qca6391 Firmware
Qualcomm Qca6391
All of the following
Qualcomm Qca6426 Firmware
Qualcomm Qca6426
All of the following
Qualcomm Qca6436 Firmware
Qualcomm Qca6436
All of the following
Qualcomm Qsm8250 Firmware
Qualcomm Qsm8250
All of the following
Qualcomm Sd865 5g Firmware
Qualcomm Sd865 5g
All of the following
Qualcomm Sdm429w Firmware
Qualcomm Sdm429w
All of the following
Qualcomm Sdx55 Firmware
Qualcomm Sdx55
All of the following
Qualcomm Snapdragon 429 Mobile Platform Firmware
Qualcomm Snapdragon 429 Mobile Platform
All of the following
Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmware
Qualcomm Snapdragon 8 Gen 1 Mobile Platform
All of the following
Qualcomm Snapdragon 865 5g Mobile Platform Firmware
Qualcomm Snapdragon 865 5g Mobile Platform
All of the following
Qualcomm Snapdragon 865\+ 5g Mobile Platform \(sm8250-ab\) Firmware
Qualcomm Snapdragon 865\+ 5g Mobile Platform \(sm8250-ab\)
All of the following
Qualcomm Snapdragon 870 5g Mobile Platform \(sm8250-ac\) Firmware
Qualcomm Snapdragon 870 5g Mobile Platform \(sm8250-ac\)
All of the following
Qualcomm Snapdragon W5\+ Gen 1 Wearable Platform Firmware
Qualcomm Snapdragon W5\+ Gen 1 Wearable Platform
All of the following
Qualcomm Snapdragon X55 5g Modem-rf System Firmware
Qualcomm Snapdragon X55 5g Modem-rf System
All of the following
Qualcomm Snapdragon Xr2 5g Platform Firmware
Qualcomm Snapdragon Xr2 5g Platform
All of the following
Qualcomm Sw5100 Firmware
Qualcomm Sw5100
All of the following
Qualcomm Sw5100p Firmware
Qualcomm Sw5100p
All of the following
Qualcomm Sxr2130 Firmware
Qualcomm Sxr2130
All of the following
Qualcomm Sxr2230p Firmware
Qualcomm Sxr2230p
All of the following
Qualcomm Sxr2250p Firmware
Qualcomm Sxr2250p
All of the following
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
All of the following
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
All of the following
Qualcomm Wcn3620 Firmware
Qualcomm Wcn3620
All of the following
Qualcomm Wcn3660b Firmware
Qualcomm Wcn3660b
All of the following
Qualcomm Wcn3980 Firmware
Qualcomm Wcn3980
All of the following
Qualcomm Wcn3988 Firmware
Qualcomm Wcn3988
All of the following
Qualcomm Wsa8810 Firmware
Qualcomm Wsa8810
All of the following
Qualcomm Wsa8815 Firmware
Qualcomm Wsa8815
All of the following
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
All of the following
Qualcomm Wsa8832 Firmware
Qualcomm Wsa8832
All of the following
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
Event History
Aug 6, 2025
CVE Published
via MITRE·07:26 AM
Data Sourced
via MITRE·07:26 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-27071?
CVE-2025-27071 is classified as a high severity vulnerability due to potential memory corruption risks.
2
How do I fix CVE-2025-27071?
To fix CVE-2025-27071, update your Qualcomm Fastconnect 6800 or 6900 Firmware to the latest patched version.
3
What are the consequences of exploiting CVE-2025-27071?
Exploiting CVE-2025-27071 could lead to system crashes or execution of arbitrary code.
4
Which devices are affected by CVE-2025-27071?
CVE-2025-27071 affects Qualcomm Fastconnect 6800, 6900, and several other firmware versions.
5
When was CVE-2025-27071 reported?
CVE-2025-27071 was reported in August 2025.