CVE-2021-20155

Signals

NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-72530 · TrueConf Server Code Injection Vulnerability · Added 2026-08-20 · Due 2026-09-03CISA KEV · CVE-2026-72529 · TrueConf Server Missing Authentication for Critical Function Vulnerability · Added 2026-08-20 · Due 2026-08-23NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-72530 · TrueConf Server Code Injection Vulnerability · Added 2026-08-20 · Due 2026-09-03CISA KEV · CVE-2026-72529 · TrueConf Server Missing Authentication for Critical Function Vulnerability · Added 2026-08-20 · Due 2026-08-23

DRAGONS COMMUNITY

CVE-2021-20155

· CRITICALModified

← All CVEs

CVSS v3.1

9.8

EPSS

1.90%

Published

Dec 30, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

All weaponized →

TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Trendnet AC2600 TEW-827DRU version 2.08B01 makes use of hardcoded credentials. It is possible to backup and restore device configurations via the management web interface. These devices are encrypted using a hardcoded password of "12345678".

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-798

Affected Products (2)

trendnet · tew-827dru_firmwarevulnerable

trendnet · tew-827dru

References (2)

https://www.tenable.com/security/research/tra-2021-54

ExploitThird Party Advisory

https://www.tenable.com/security/research/tra-2021-54

ExploitThird Party Advisory

KEV Catalog EPSS Scores Vendors All CVEs