CVE-2021-46442
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through...
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.
- Record
CVE-2021-46442- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.
- Record
CVE-2021-46442- Updated
- 2026-11-02
EUVDEUVD-2021-33118 No score
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.
- Record
EUVD-2021-33118- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jv6-jjxw-75rx
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through...
In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.
- Record
GHSA-8jv6-jjxw-75rx- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46442 is a critical vulnerability (CVSS 9.8) in Dlink Dir-825 Firmware, published April 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 56.1%, the 99th percentile. No source names a fixed version.