CVE-2026-20433Disclosure(mediatek / mt2735)

LOWCVSS 8.8 · HIGH

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 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: MOLY01088681; Issue ID: MSV-4460.

0.5/ 10 priority

Sources & remediation

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
  • mt2735_firmware
  • mt2737
  • mt2737_firmware

Threat summary

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

What's happening

  • Technical details provided in 4 signals
  • Disclosure: 6 classified signals
  • Peaked 2d ago at 3 mentions (2026-04-07); latest day: 1
  • 6 total mentions across 3 days

Affected systems

Vendors
Products
mt2735mt2735_firmwaremt2737mt2737_firmwaremt6813mt6813_firmwaremt6833mt6833_firmwaremt6833pmt6833p_firmware

1 version affected across 124 products

Deep dive

Activity timeline6 mentions / 3d
01223Mentions · 2026-04-07: 3Mentions · 2026-04-19: 2Mentions · 2026-04-21: 1Technical Details · 2026-04-07: 2Technical Details · 2026-04-19: 204-0704-1904-21
Signal classification1 categories
Disclosure
6100.0%
Referenced assets7 URLs
Classification over time
DateTotalLabels
2026-04-073
Disclosure3
2026-04-192
Disclosure2
2026-04-211
Disclosure1
Full discourse6 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-20433 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 b… https://www.cve.org/CVERecord?id=CVE-2026-20433

    Post summary

    The advisory discloses CVE-2026-20433 as an out‑of‑bounds write in the Modem that can enable remote privilege escalation, with no PoC, exploit, or patch information provided.

    00010681
    57.2K followersView on X
  • CVEarity@CVEarity
    Disclosure

    ⚡ New CVE Alert: CVE-2026-20433 🚨 Risk Level: Unknown 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-20433 #CVE-2026-20433 #CVE #CyberSecurity #InfoSec https://t.co/pFveWANGRQ

    Post summary

    The tweet announces a new CVE (CVE‑2026‑20433) with a link to the NVD page, but offers no additional technical details, PoC, or exploitation information.

    0001038
    123 followersView on X
  • CERT-PY@CERTpy
    Disclosure

    ⚠️ Vulnerabilidades en productos MediaTek ❗ CVE-2026-20433 ❗ CVE-2026-20432 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-mediatek-7/ https://t.co/wfGG790dHX

    Post summary

    The tweet lists two CVEs affecting MediaTek products and points to external links for additional details, but provides no further technical or operational information.

    0000093
    6.7K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-20433 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 b… https://www.cve.org/CVERecord?id=CVE-2026-20433 ----- Traducción: CVE-2026-20433 En … http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑20433 as an out‑of‑bounds write vulnerability in a modem that could allow remote privilege escalation, but it does not provide any PoC, exploit, active‑exploitation evidence, or patch details.

    0000053
    72 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-20433 Out of Bounds Write in Modem Enabling Remote Privilege Escalation https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-20433 Customizable Vulnerability Alerts: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=4

    Post summary

    The tweet links to a CVE listing for CVE-2026-20433, noting an out‑of‑bounds write in modem firmware that allows remote privilege escalation, but it does not provide any PoC, exploit code, or patch information.

    0000042
    4.0K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-20433 - Huawei Modem Out-of-Bounds Write Privilege Escalation Intel Report: https://ift.tt/Tbm85l2

    Post summary

    An alert announces CVE-2026-20433, a Huawei modem out-of-bounds write privilege escalation vulnerability, but provides no PoC, exploit, active exploitation, or patch details.

    0000047
    281 followersView on X
CPE platform detail124 entries

124 of 124 entries

PartVendorProductVersionTarget SWTarget HW
HWmediatekmt2735---
OSmediatekmt2735_firmware---
HWmediatekmt2737---
OSmediatekmt2737_firmware---
HWmediatekmt6813---
OSmediatekmt6813_firmware---
HWmediatekmt6833---
OSmediatekmt6833_firmware---
HWmediatekmt6833p---
OSmediatekmt6833p_firmware---
HWmediatekmt6835---
OSmediatekmt6835_firmware---
HWmediatekmt6835t---
OSmediatekmt6835t_firmware---
HWmediatekmt6853---
OSmediatekmt6853_firmware---
HWmediatekmt6853t---
OSmediatekmt6853t_firmware---
HWmediatekmt6855---
OSmediatekmt6855_firmware---
HWmediatekmt6855t---
OSmediatekmt6855t_firmware---
HWmediatekmt6873---
OSmediatekmt6873_firmware---
HWmediatekmt6875---
OSmediatekmt6875_firmware---
HWmediatekmt6875t---
OSmediatekmt6875t_firmware---
HWmediatekmt6877---
OSmediatekmt6877_firmware---
HWmediatekmt6877t---
OSmediatekmt6877t_firmware---
HWmediatekmt6877tt---
OSmediatekmt6877tt_firmware---
HWmediatekmt6878---
OSmediatekmt6878_firmware---
HWmediatekmt6878m---
OSmediatekmt6878m_firmware---
HWmediatekmt6879---
OSmediatekmt6879_firmware---
HWmediatekmt6880---
OSmediatekmt6880_firmware---
HWmediatekmt6883---
OSmediatekmt6883_firmware---
HWmediatekmt6885---
OSmediatekmt6885_firmware---
HWmediatekmt6886---
OSmediatekmt6886_firmware---
HWmediatekmt6889---
OSmediatekmt6889_firmware---
HWmediatekmt6890---
OSmediatekmt6890_firmware---
HWmediatekmt6891---
OSmediatekmt6891_firmware---
HWmediatekmt6893---
OSmediatekmt6893_firmware---
HWmediatekmt6895---
OSmediatekmt6895_firmware---
HWmediatekmt6895tt---
OSmediatekmt6895tt_firmware---
HWmediatekmt6896---
OSmediatekmt6896_firmware---
HWmediatekmt6897---
OSmediatekmt6897_firmware---
HWmediatekmt6899---
OSmediatekmt6899_firmware---
HWmediatekmt6980---
OSmediatekmt6980_firmware---
HWmediatekmt6980d---
OSmediatekmt6980d_firmware---
HWmediatekmt6983---
OSmediatekmt6983_firmware---
HWmediatekmt6983t---
OSmediatekmt6983t_firmware---
HWmediatekmt6985---
OSmediatekmt6985_firmware---
HWmediatekmt6985t---
OSmediatekmt6985t_firmware---
HWmediatekmt6989---
OSmediatekmt6989_firmware---
HWmediatekmt6989t---
OSmediatekmt6989t_firmware---
HWmediatekmt6990---
OSmediatekmt6990_firmware---
HWmediatekmt6991---
OSmediatekmt6991_firmware---
HWmediatekmt8668---
OSmediatekmt8668_firmware---
HWmediatekmt8673---
OSmediatekmt8673_firmware---
HWmediatekmt8675---
OSmediatekmt8675_firmware---
HWmediatekmt8676---
OSmediatekmt8676_firmware---
HWmediatekmt8678---
OSmediatekmt8678_firmware---
HWmediatekmt8755---
OSmediatekmt8755_firmware---
HWmediatekmt8771---
OSmediatekmt8771_firmware---
HWmediatekmt8775---
OSmediatekmt8775_firmware---
HWmediatekmt8791---
OSmediatekmt8791_firmware---
HWmediatekmt8791t---
OSmediatekmt8791t_firmware---
HWmediatekmt8792---
OSmediatekmt8792_firmware---
HWmediatekmt8793---
OSmediatekmt8793_firmware---
HWmediatekmt8795t---
OSmediatekmt8795t_firmware---
HWmediatekmt8797---
OSmediatekmt8797_firmware---
HWmediatekmt8798---
OSmediatekmt8798_firmware---
HWmediatekmt8863---
OSmediatekmt8863_firmware---
HWmediatekmt8873---
OSmediatekmt8873_firmware---
HWmediatekmt8883---
OSmediatekmt8883_firmware---
HWmediatekmt8893---
OSmediatekmt8893_firmware---

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