Quick answer
Direct answer
Risk scores
| CVSS metric | What it means |
|---|---|
| Attack vector (AV:L) | Local access needed |
| Attack complexity (AC:L) | Low complexity |
| Privileges required (PR:L) | Low privileges required |
| User interaction (UI:N) | No user interaction |
| Scope (S:U) | Scope unchanged |
| Confidentiality (C:H) | High confidentiality impact |
| Integrity (I:H) | High integrity impact |
| Availability (A:H) | High availability impact |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
About Qualcomm Cologne Firmware
CVE-2026-25260 affects Qualcomm Cologne Firmware, a product from Qualcomm. Before acting, confirm where Qualcomm Cologne Firmware runs in your estate, who owns it and whether it is reachable from the internet, because exposure decides real risk more than the score alone.
What the flaw is
In plain terms: Memory Corruption when accessing shared buffers without validation of concurrent user-mode input modifications.
Based on its CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.
Affected versions and timeline
| Field | Detail |
|---|---|
| Product | Qualcomm Cologne Firmware |
| Affected versions | Cologne Firmware all listed versions; Fastconnect 6700 Firmware all listed versions; Fastconnect 6900 Firmware all listed versions; Fastconnect 7800 Firmware all listed versions; Qcm5430 Firmware all listed versions; Qcm6490 Firmware all listed versions; Video Collaboration Vc3 Platform Firmware all listed versions; Sc8380xp Firmware all listed versions; Sd865 5g Firmware all listed versions; Snapdragon Ar1 Gen 1 Platform Firmware all listed versions; Snapdragon Xr2 5g Platform Firmware all listed versions; Snapdragon Xr2+ Gen 1 Platform Firmware all listed versions |
| Published | Jun 1, 2026 |
| Last modified | Jul 22, 2026 |
| Added to CISA KEV | Not listed |
| Assigning CNA | product-security@qualcomm.com |
How to detect it
- Inventory every instance of Qualcomm Cologne Firmware and record the running version against the affected range above.
- Check external attack surface scans for internet facing instances of the component.
- Review logs on affected systems for unusual requests, errors or new processes around the vulnerable function.
- Confirm with an authenticated vulnerability scan once your scanner has a check for this CVE.
How to fix it
- Apply the fixed version of Qualcomm Cologne Firmware named in the vendor advisory.
- If patching must wait, restrict network access to the affected service and put it behind authentication or a web application firewall rule.
- Rescan after the change to prove the exposure is gone, then close the ticket.
CTEM action plan
| CTEM stage | What to do for this CVE |
|---|---|
| Scope | Add every business service that depends on Qualcomm Cologne Firmware to the current CTEM cycle. |
| Discover | Find all instances, including shadow and cloud deployments, and record versions and exposure. |
| Prioritize | Rank using EPSS and CVSS together with asset exposure and business impact. |
| Validate | Confirm the flaw is reachable and exploitable in your environment and that compensating controls work. |
| Mobilize | Assign the fix to the asset owner with a due date matched to the priority, then verify closure. |
CWE References
Technical References
Frequently asked questions
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