VulnSocial

CVE-2026-20403Disclosure(mediatek / mt2735)

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In Modem, there is a possible system crash due to a missing bounds check. 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: MOLY01689254 (Note: For N15 and NR16) / MOLY01689259 (Note: For NR17 and NR17R); Issue ID: MSV-4843.

mediatek CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • mt2735
  • mt2737
  • mt6813
  • mt6815

Threat summary

  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked 2d ago at 1 mentions (2026-02-02); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
mediatek
Products
mt2735mt2737mt6813mt6815mt6833mt6835mt6853mt6855mt6873mt6875

1 version affected across 46 products

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-02-02: 1Mentions · 2026-02-07: 1Mentions · 2026-02-08: 1Technical Details · 2026-02-02: 1Technical Details · 2026-02-07: 1Technical Details · 2026-02-08: 102-0202-0702-08
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • transilienceai@transilienceai
    Disclosure

    🚨 CVE-2026-20403 [HIGH] Feb 08, 2026 CVE-2026-20403 is a denial of service vulnerability in Mediatek Nr15 modem that causes system crashes via rogue base stations. Checkout our Threat Intelligence Platform: https://threatintel.transilience.cloud... https://t.co/T3uwIgdL9b

    Post summary

    The tweet announces a high‑severity denial‑of‑service vulnerability (CVE‑2026‑20403) affecting Mediatek Nr15 modems, without providing PoC, exploit code, or mitigation details.

    0000054
    316 followersView on X
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-20403 (CVSS:7.5, HIGH) is Analyzed. In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, i..https://nvd.nist.gov/vuln/detail/CVE-2026-20403 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post announces that CVE-2026-20403 has been analyzed, describing a missing bounds check that could lead to a remote denial-of-service via system crash, with no PoC, exploit, patch, or evidence of active exploitation.

    0000040
    171 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-20403 In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station c… https://www.cve.org/CVERecord?id=CVE-2026-20403

    Post summary

    The text announces CVE-2026-20403, noting a missing bounds check in a modem that could cause remote denial of service when a UE connects to a rogue base station.

    00000182
    56.5K followersView on X
CPE platform detail46 entries

46 of 46 entries

PartVendorProductVersionTarget SWTarget HW
HWmediatekmt2735---
HWmediatekmt2737---
HWmediatekmt6813---
HWmediatekmt6815---
HWmediatekmt6833---
HWmediatekmt6835---
HWmediatekmt6853---
HWmediatekmt6855---
HWmediatekmt6873---
HWmediatekmt6875---
HWmediatekmt6877---
HWmediatekmt6878---
HWmediatekmt6879---
HWmediatekmt6880---
HWmediatekmt6883---
HWmediatekmt6885---
HWmediatekmt6886---
HWmediatekmt6889---
HWmediatekmt6890---
HWmediatekmt6891---
HWmediatekmt6893---
HWmediatekmt6895---
HWmediatekmt6896---
HWmediatekmt6897---
HWmediatekmt6899---
HWmediatekmt6980---
HWmediatekmt6983---
HWmediatekmt6985---
HWmediatekmt6989---
HWmediatekmt6990---
HWmediatekmt6991---
HWmediatekmt6993---
HWmediatekmt8673---
HWmediatekmt8675---
HWmediatekmt8676---
HWmediatekmt8771---
HWmediatekmt8791---
HWmediatekmt8791t---
HWmediatekmt8795t---
HWmediatekmt8797---
HWmediatekmt8798---
HWmediatekmt8893---
OSmediateknr15---
OSmediateknr16---
OSmediateknr17---
OSmediateknr17r---

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