CVE Explorer
CVE-2026-20421
In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, 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: MOLY01738293; Issue ID: MSV-5922.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"MediaTek chipset","vendor":"MediaTek, Inc.","versions":[{"status":"affected","version":"MT2735"},{"status":"affected","version":"MT6833"},{"status":"affected","version":"MT6853"},{"status":"affected","version":"MT6855"},{"status":"affected","version":"MT6873"},{"status":"affected","version":"MT6875"},{"status":"affected","version":"MT6877"},{"status":"affected","version":"MT6880"},{"status":"affected","version":"MT6883"},{"status":"affected","version":"MT6885"},{"status":"affected","version":"MT6889"},{"status":"affected","version":"MT6890"},{"status":"…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:590b763aa4a7fd6d0dba7b200b5bb524b9858a7b49174608868b1b0d7b391f4b · sha256:77048978ee92d3d5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:590b763aa4a7fd6d0dba7b200b5bb524b9858a7b49174608868b1b0d7b391f4b · sha256:77048978ee92d3d5… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:590b763aa4a7fd6d0dba7b200b5bb524b9858a7b49174608868b1b0d7b391f4b · sha256:77048978ee92d3d5… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://corp.mediatek.com/product-security-bulletin/February-2026"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:590b763aa4a7fd6d0dba7b200b5bb524b9858a7b49174608868b1b0d7b391f4b · sha256:77048978ee92d3d5… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.