CVE-2026-20557
Last modified
CVE-2026-20557 is a vulnerability of currently unknown severity. In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed.
Description
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01877236; Issue ID: MSV-9804.
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| MediaTek, Inc. | MediaTek chipset | MT2716; MT6813; MT6815; MT6835; MT6858; MT6878; MT6881; MT6897; MT6899; MT6982; MT6986; MT6988; MT6991; MT6993; MT8668; MT8676; MT8678; MT8755; MT8775; MT8792; MT8793; MT8863; MT8873; MT8875; MT8883 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-20557?
How severe is CVE-2026-20557?
How do I fix CVE-2026-20557?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-20551In gnss, there is a possible out of bounds write due to a mi…
- CVE-2026-20552In ccci, there is a possible out of bounds write due to a mi…
- CVE-2026-20553In DA, there is a possible out of bounds write due to a miss…
- CVE-2026-20554In Modem, there is a possible system crash due to a missing …
- CVE-2026-20555In Modem, there is a possible out of bounds read due to a mi…
- CVE-2026-20556In Modem, there is a possible out of bounds write due to a m…
- CVE-2026-20558In GPU pdma, there is a possible escalation of privilege due…
- CVE-2026-20559In GPU pdma, there is a possible memory corruption due to us…
- CVE-2026-2056A security vulnerability has been detected in D-Link DIR-605…7.5
- CVE-2026-20560In Modem, there is a possible system crash due to improper i…
- CVE-2026-20561In Modem, there is a possible out of bounds write due to a m…
- CVE-2026-20562In Modem, there is a possible out of bounds write due to a m…
Are you affected by CVE-2026-20557?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
