How severe is CVE-2021-33346?

CVE-2021-33346 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33346?

CVE-2021-33346 affects Dlink Dsl-2888a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33346?

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

When was CVE-2021-33346 published?

CVE-2021-33346 was published on 2021-06-24 and last updated on 2026-06-17.

CVE-2021-33346

CVE-2021-33346 is a critical-severity vulnerability in Dlink Dsl-2888a Firmware with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Dlink Dsl-2888a Firmware
Published: 2021-06-24
Last modified: 2026-06-17

Description

There is an arbitrary password modification vulnerability in a D-LINK DSL-2888A router product. An attacker can use this vulnerability to modify the password of the admin user without authorization.

Frequently asked questions

What is CVE-2021-33346?: There is an arbitrary password modification vulnerability in a D-LINK DSL-2888A router product. An attacker can use this vulnerability to modify the password of the admin user without authorization.
How severe is CVE-2021-33346?: CVE-2021-33346 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33346?: CVE-2021-33346 affects Dlink Dsl-2888a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-33346 published?: CVE-2021-33346 was published on 2021-06-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dsl-2888a_firmware:-:*:*:*:*:*:*:*

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