CVE-2025-27071 Buffer Copy Without Checking Size of Input in Powerline Communication Firmware
Memory corruption in Qualcomm Snapdragon Powerline Communication Firmware allows attackers to execute arbitrary code or escalate privileges via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-27071?
CVE-2025-27071 is a high-severity memory corruption vulnerability in Qualcomm Fastconnect 6800 Firmware, published on 6 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory corruption while processing specific files in Powerline Communication Firmware.
Weakness: CWE-120
Which versions are affected by CVE-2025-27071?
It affects 34 products.
Products include Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6426 Firmware, Qualcomm Qca6436 Firmware and 28 more.
How do I fix CVE-2025-27071?
No fix has been published for CVE-2025-27071 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-27071 being exploited?
There is no known exploitation of CVE-2025-27071 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6800 Firmware
- CVE-2023-28581 Improper Restriction of Operations within the Bounds of a Memory Buffer in WLAN Firmware
- CVE-2025-27037 Use After Free in Camera Driver
- CVE-2025-21455 Time-of-check Time-of-use (TOCTOU) Race Condition in Camera_Linux
- CVE-2025-21474 Use After Free in BTHOST
- CVE-2024-45566 Use After Free in Camera Driver
Sources
Also known as GHSA-3ff3-h6c4-m2xr.