# CVE-2026-25261: Qualcomm rear sensor driver memory corruption in IOCTL handling

Source: https://junglewise.ai/threats/cve-2026-25261-qualcomm-rear-sensor-driver-memory-corruption-in-ioctl-handling  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-17. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-25261 · Severity: medium · CVSS 6.7 · Published 2026-09-17

A Qualcomm rear sensor driver component contains a memory corruption vulnerability in IOCTL (input/output control) call processing. An attacker with local access to the device could potentially exploit this flaw to cause a system crash or execute arbitrary code with elevated privileges, compromising device availability and security.

Technologies: [Qualcomm Cologne](https://junglewise.ai/threats/technologies/cologne), [Qualcomm Cologne Firmware](https://junglewise.ai/threats/technologies/cologne-firmware), [Qualcomm Fastconnect 6700](https://junglewise.ai/threats/technologies/fastconnect-6700), [Qualcomm Fastconnect 6700 Firmware](https://junglewise.ai/threats/technologies/fastconnect-6700-firmware), [Qualcomm Fastconnect 6900](https://junglewise.ai/threats/technologies/fastconnect-6900), [Qualcomm Fastconnect 6900 Firmware](https://junglewise.ai/threats/technologies/fastconnect-6900-firmware), [Qualcomm Fastconnect 7800](https://junglewise.ai/threats/technologies/fastconnect-7800), [Qualcomm Fastconnect 7800 Firmware](https://junglewise.ai/threats/technologies/fastconnect-7800-firmware), [Qualcomm Iqx5121](https://junglewise.ai/threats/technologies/iqx5121), [Qualcomm Iqx5121 Firmware](https://junglewise.ai/threats/technologies/iqx5121-firmware), [Qualcomm Iqx7181](https://junglewise.ai/threats/technologies/iqx7181), [Qualcomm Iqx7181 Firmware](https://junglewise.ai/threats/technologies/iqx7181-firmware), [Qualcomm Qca0000](https://junglewise.ai/threats/technologies/qca0000), [Qualcomm Qca0000 Firmware](https://junglewise.ai/threats/technologies/qca0000-firmware), [Qualcomm Qcm5430](https://junglewise.ai/threats/technologies/qcm5430), [Qualcomm Qcm5430 Firmware](https://junglewise.ai/threats/technologies/qcm5430-firmware), [Qualcomm Qcm6490](https://junglewise.ai/threats/technologies/qcm6490), [Qualcomm Qcm6490 Firmware](https://junglewise.ai/threats/technologies/qcm6490-firmware), [Qualcomm Sc8380xp](https://junglewise.ai/threats/technologies/sc8380xp), [Qualcomm SC8380XP Firmware](https://junglewise.ai/threats/technologies/sc8380xp-firmware), [Qualcomm Snapdragon 7c\+ Gen 3 Compute](https://junglewise.ai/threats/technologies/snapdragon-7c-gen-3-compute), [Qualcomm Snapdragon 7c\+ Gen 3 Compute Firmware](https://junglewise.ai/threats/technologies/snapdragon-7c-gen-3-compute-firmware), [Qualcomm Snapdragon 8cx Gen 3 Compute Platform](https://junglewise.ai/threats/technologies/snapdragon-8cx-gen-3-compute-platform), [Qualcomm Snapdragon 8cx Gen 3 Compute Platform Firmware](https://junglewise.ai/threats/technologies/snapdragon-8cx-gen-3-compute-platform-firmware), [Qualcomm Snapdragon X2 Elite](https://junglewise.ai/threats/technologies/snapdragon-x2-elite), [Qualcomm Snapdragon X2 Elite Firmware](https://junglewise.ai/threats/technologies/snapdragon-x2-elite-firmware), [Qualcomm Video Collaboration Vc3 Platform](https://junglewise.ai/threats/technologies/video-collaboration-vc3-platform), [Qualcomm Video Collaboration Vc3 Platform Firmware](https://junglewise.ai/threats/technologies/video-collaboration-vc3-platform-firmware), [Qualcomm Wcd9370](https://junglewise.ai/threats/technologies/wcd9370), [Qualcomm Wcd9370 Firmware](https://junglewise.ai/threats/technologies/wcd9370-firmware), [Qualcomm Wcd9375](https://junglewise.ai/threats/technologies/wcd9375), [Qualcomm Wcd9375 Firmware](https://junglewise.ai/threats/technologies/wcd9375-firmware), [Qualcomm Wcd9378c](https://junglewise.ai/threats/technologies/wcd9378c), [Qualcomm Wcd9378c Firmware](https://junglewise.ai/threats/technologies/wcd9378c-firmware), [Qualcomm Wcd9380](https://junglewise.ai/threats/technologies/wcd9380), [Qualcomm Wcd9380 Firmware](https://junglewise.ai/threats/technologies/wcd9380-firmware), [Qualcomm Wcd9385](https://junglewise.ai/threats/technologies/wcd9385), [Qualcomm Wcd9385 Firmware](https://junglewise.ai/threats/technologies/wcd9385-firmware), [Qualcomm Wsa8830](https://junglewise.ai/threats/technologies/wsa8830), [Qualcomm Wsa8830 Firmware](https://junglewise.ai/threats/technologies/wsa8830-firmware), [Qualcomm Wsa8835](https://junglewise.ai/threats/technologies/wsa8835), [Qualcomm Wsa8835 Firmware](https://junglewise.ai/threats/technologies/wsa8835-firmware), [Qualcomm Wsa8840](https://junglewise.ai/threats/technologies/wsa8840), [Qualcomm Wsa8840 Firmware](https://junglewise.ai/threats/technologies/wsa8840-firmware), [Qualcomm Wsa8845](https://junglewise.ai/threats/technologies/wsa8845), [Qualcomm Wsa8845 Firmware](https://junglewise.ai/threats/technologies/wsa8845-firmware), [Qualcomm Wsa8845h](https://junglewise.ai/threats/technologies/wsa8845h), [Qualcomm Wsa8845h Firmware](https://junglewise.ai/threats/technologies/wsa8845h-firmware). Vendors: [Qualcomm](https://junglewise.ai/threats/vendors/qualcomm).

## Quick answers

**Is CVE-2026-25261 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-25261 being exploited in the wild.

**How severe is CVE-2026-25261?** Medium severity, with a CVSS score of 6.7, published 17 September 2026.

**Which products and versions are affected?** Qualcomm rear sensor driver.

**Is there a fix for CVE-2026-25261?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-25261 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-25261?** Check whether you run Qualcomm Cologne, Qualcomm Cologne Firmware, Qualcomm Fastconnect 6700 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is a memory corruption issue triggered during the processing of IOCTL calls to the rear sensor driver. The exact root cause is not detailed in the available references, but the vulnerability requires local access to the affected device to trigger. An attacker could craft malicious IOCTL requests to corrupt memory and potentially achieve denial of service or privilege escalation. No information on patch availability is confirmed in the provided advisory excerpts.

## Affected products

- Qualcomm rear sensor driver

## Timeline

- 2026-09-17: disclosed

## References

- [https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2026-bulletin.html](https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2026-bulletin.html)

## Related threats

- [Qualcomm transient denial of service while parsing frame during channel usage](https://junglewise.ai/threats/cve-2026-25294-qualcomm-transient-denial-of-service-while-parsing-frame-during)
- [Qualcomm component memory corruption in buffer validation](https://junglewise.ai/threats/cve-2026-25290-qualcomm-component-memory-corruption-in-buffer-validation)
- [Qualcomm component use-after-free information disclosure](https://junglewise.ai/threats/cve-2026-25284-qualcomm-component-use-after-free-information-disclosure)
- [Qualcomm buffer overflow in external data handling](https://junglewise.ai/threats/cve-2026-25283-qualcomm-buffer-overflow-in-external-data-handling)
- [Qualcomm component out-of-bounds memory access in data processing](https://junglewise.ai/threats/cve-2026-25282-qualcomm-component-out-of-bounds-memory-access-in-data-processing)
