How severe is CVE-2021-46379?

CVE-2021-46379 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-46379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46379?

CVE-2021-46379 affects Dlink Dir-850l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46379?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-46379 published?

CVE-2021-46379 was published on 2022-03-04 and last updated on 2026-06-17.

CVE-2021-46379

CVE-2021-46379 is a medium-severity vulnerability in Dlink Dir-850l Firmware with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Dlink Dir-850l Firmware
Published: 2022-03-04
Last modified: 2026-06-17

Description

DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through URL redirection to untrusted site.

Frequently asked questions

What is CVE-2021-46379?: DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through URL redirection to untrusted site.
How severe is CVE-2021-46379?: CVE-2021-46379 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-46379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46379?: CVE-2021-46379 affects Dlink Dir-850l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46379 published?: CVE-2021-46379 was published on 2022-03-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-850l_firmware:1.08trb03:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-850l Firmware

CVE-2023-49004 — Critical (CVSS 9.8): An issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to…
CVE-2018-20675 — Critical (CVSS 9.8): D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B*…
CVE-2016-6563 — Critical (CVSS 9.8): Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some…
CVE-2018-9032 — Critical (CVSS 9.8): An authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hardware…
CVE-2017-14429 — Critical (CVSS 9.8): The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware…
CVE-2017-14421 — Critical (CVSS 9.8): D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of…

All CVEs affecting Dlink Dir-850l Firmware →

Other CWE-601 (Open Redirect) vulnerabilities

CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

Browse all CWE-601 (Open Redirect) vulnerabilities →