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GHSA-Q532-R27C-R7M9
Vulnerability from github – Published: 2026-03-02 09:30 – Updated: 2026-03-02 15:31
VLAI?
Details
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 needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.
Severity ?
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2026-20434"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-02T09:16:16Z",
"severity": "HIGH"
},
"details": "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 needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.",
"id": "GHSA-q532-r27c-r7m9",
"modified": "2026-03-02T15:31:23Z",
"published": "2026-03-02T09:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20434"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/March-2026"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2026-20434 (GCVE-0-2026-20434)
Vulnerability from cvelistv5 – Published: 2026-03-02 08:39 – Updated: 2026-03-30 13:05
VLAI?
EPSS
Summary
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 needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.
Severity ?
7.5 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT2735
Affected: MT2737 Affected: MT6739 Affected: MT6761 Affected: MT6762 Affected: MT6762D Affected: MT6762M Affected: MT6763 Affected: MT6765 Affected: MT6765T Affected: MT6767 Affected: MT6768 Affected: MT6769 Affected: MT6769K Affected: MT6769S Affected: MT6769T Affected: MT6769Z Affected: MT6771 Affected: MT6779 Affected: MT6781 Affected: MT6783 Affected: MT6785 Affected: MT6785T Affected: MT6785U Affected: MT6789 Affected: MT6833 Affected: MT6833P Affected: MT6835 Affected: MT6835T Affected: MT6853 Affected: MT6853T Affected: MT6855 Affected: MT6855T Affected: MT6873 Affected: MT6875 Affected: MT6875T Affected: MT6877 Affected: MT6877T Affected: MT6877TT Affected: MT6878 Affected: MT6878M Affected: MT6879 Affected: MT6880 Affected: MT6883 Affected: MT6885 Affected: MT6886 Affected: MT6889 Affected: MT6890 Affected: MT6891 Affected: MT6893 Affected: MT6895 Affected: MT6895TT Affected: MT6896 Affected: MT6897 Affected: MT6899 Affected: MT6980 Affected: MT6980D Affected: MT6983 Affected: MT6983T Affected: MT6985 Affected: MT6985T Affected: MT6989 Affected: MT6989T Affected: MT6990 Affected: MT6991 Affected: MT8666 Affected: MT8667 Affected: MT8668 Affected: MT8673 Affected: MT8675 Affected: MT8676 Affected: MT8678 Affected: MT8755 Affected: MT8765 Affected: MT8766 Affected: MT8766R Affected: MT8768 Affected: MT8771 Affected: MT8781 Affected: MT8786 Affected: MT8788 Affected: MT8788E Affected: MT8789 Affected: MT8791 Affected: MT8791T Affected: MT8792 Affected: MT8793 Affected: MT8795T Affected: MT8797 Affected: MT8798 Affected: MT8863 Affected: MT8873 Affected: MT8883 Affected: MT8893 |
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
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},
{
"status": "affected",
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{
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"version": "MT6877T"
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{
"status": "affected",
"version": "MT6877TT"
},
{
"status": "affected",
"version": "MT6878"
},
{
"status": "affected",
"version": "MT6878M"
},
{
"status": "affected",
"version": "MT6879"
},
{
"status": "affected",
"version": "MT6880"
},
{
"status": "affected",
"version": "MT6883"
},
{
"status": "affected",
"version": "MT6885"
},
{
"status": "affected",
"version": "MT6886"
},
{
"status": "affected",
"version": "MT6889"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "MT6891"
},
{
"status": "affected",
"version": "MT6893"
},
{
"status": "affected",
"version": "MT6895"
},
{
"status": "affected",
"version": "MT6895TT"
},
{
"status": "affected",
"version": "MT6896"
},
{
"status": "affected",
"version": "MT6897"
},
{
"status": "affected",
"version": "MT6899"
},
{
"status": "affected",
"version": "MT6980"
},
{
"status": "affected",
"version": "MT6980D"
},
{
"status": "affected",
"version": "MT6983"
},
{
"status": "affected",
"version": "MT6983T"
},
{
"status": "affected",
"version": "MT6985"
},
{
"status": "affected",
"version": "MT6985T"
},
{
"status": "affected",
"version": "MT6989"
},
{
"status": "affected",
"version": "MT6989T"
},
{
"status": "affected",
"version": "MT6990"
},
{
"status": "affected",
"version": "MT6991"
},
{
"status": "affected",
"version": "MT8666"
},
{
"status": "affected",
"version": "MT8667"
},
{
"status": "affected",
"version": "MT8668"
},
{
"status": "affected",
"version": "MT8673"
},
{
"status": "affected",
"version": "MT8675"
},
{
"status": "affected",
"version": "MT8676"
},
{
"status": "affected",
"version": "MT8678"
},
{
"status": "affected",
"version": "MT8755"
},
{
"status": "affected",
"version": "MT8765"
},
{
"status": "affected",
"version": "MT8766"
},
{
"status": "affected",
"version": "MT8766R"
},
{
"status": "affected",
"version": "MT8768"
},
{
"status": "affected",
"version": "MT8771"
},
{
"status": "affected",
"version": "MT8781"
},
{
"status": "affected",
"version": "MT8786"
},
{
"status": "affected",
"version": "MT8788"
},
{
"status": "affected",
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{
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"version": "MT8789"
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{
"status": "affected",
"version": "MT8791"
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{
"status": "affected",
"version": "MT8791T"
},
{
"status": "affected",
"version": "MT8792"
},
{
"status": "affected",
"version": "MT8793"
},
{
"status": "affected",
"version": "MT8795T"
},
{
"status": "affected",
"version": "MT8797"
},
{
"status": "affected",
"version": "MT8798"
},
{
"status": "affected",
"version": "MT8863"
},
{
"status": "affected",
"version": "MT8873"
},
{
"status": "affected",
"version": "MT8883"
},
{
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}
],
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"description": "CWE-787 Out-of-bounds Write",
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}
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"datePublished": "2026-03-02T08:39:10.077Z",
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}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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