How severe is CVE-2026-2210?

CVE-2026-2210 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2210 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2210?

CVE-2026-2210 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2210?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-2210 have an EU (EUVD) identifier?

Yes. CVE-2026-2210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6893.

When was CVE-2026-2210 published?

CVE-2026-2210 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2026-2210

CVE-2026-2210 is a high-severity vulnerability in Dlink Dir-823x Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
CVSS v4: 7.3
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6893
Weakness: CWE-78
Affected product: Dlink Dir-823x Firmware
Published: 2026-02-09
Last modified: 2026-06-17

Description

A vulnerability has been found in D-Link DIR-823X 250416. This affects the function sub_4211C8 of the file /goform/set_filtering. Such manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2026-2210?: A vulnerability has been found in D-Link DIR-823X 250416. This affects the function sub_4211C8 of the file /goform/set_filtering. Such manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2026-2210?: CVE-2026-2210 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2210 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2210?: CVE-2026-2210 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2210?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-2210 have an EU (EUVD) identifier?: Yes. CVE-2026-2210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6893.
When was CVE-2026-2210 published?: CVE-2026-2210 was published on 2026-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-823x Firmware

CVE-2025-29043 — Critical (CVSS 9.8): An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the function 0x417234
CVE-2025-29042 — Critical (CVSS 9.8): An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the macaddr key value to the…
CVE-2025-29041 — Critical (CVSS 9.8): An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and…
CVE-2025-29040 — Critical (CVSS 9.8): An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and…
CVE-2024-39962 — Critical (CVSS 9.8): D-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to contain a remote code execution…
CVE-2025-55848 — High (CVSS 8.8): An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings…

All CVEs affecting Dlink Dir-823x Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →