How severe is CVE-2022-38557?

CVE-2022-38557 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-2022-38557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38557?

CVE-2022-38557 affects Dlink Dir-845l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38557?

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-2022-38557 published?

CVE-2022-38557 was published on 2022-08-28 and last updated on 2026-06-17.

CVE-2022-38557

CVE-2022-38557 is a critical-severity vulnerability in Dlink Dir-845l 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dlink Dir-845l Firmware
Published: 2022-08-28
Last modified: 2026-06-17

Description

D-Link DIR845L v1.00-v1.03 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh.

Frequently asked questions

What is CVE-2022-38557?: D-Link DIR845L v1.00-v1.03 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh.
How severe is CVE-2022-38557?: CVE-2022-38557 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-2022-38557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38557?: CVE-2022-38557 affects Dlink Dir-845l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38557?: 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-2022-38557 published?: CVE-2022-38557 was published on 2022-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-845l_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-845l Firmware

CVE-2022-36756 — Critical (CVSS 9.8): DIR845L A1 v1.00-v1.03 is vulnerable to command injection via /htdocs/upnpinc/gena.php.
CVE-2022-36755 — Critical (CVSS 9.8): D-Link DIR845L A1 contains a authentication vulnerability via an AUTHORIZED_GROUP=1 value, as demonstrated by a request…
CVE-2024-33110 — Critical (CVSS 9.1): D-Link DIR-845L router v1.01KRb03 and before is vulnerable to Permission Bypass via the getcfg.php component.
CVE-2024-29385 — Critical (CVSS 9.0): DIR-845L router <= v1.01KRb03 has an Unauthenticated remote code execution vulnerability in the cgibin binary via…
CVE-2024-29366 — High (CVSS 8.8): A command injection vulnerability exists in the cgibin binary in DIR-845L router firmware <= v1.01KRb03.
CVE-2024-33112 — High (CVSS 7.5): D-Link DIR-845L router v1.01KRb03 and before is vulnerable to Command injection via the hnap_main()func.

All CVEs affecting Dlink Dir-845l Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →