How severe is CVE-2019-13561?

CVE-2019-13561 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-2019-13561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13561?

CVE-2019-13561 affects Dlink Dir-655 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13561?

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-2019-13561 published?

CVE-2019-13561 was published on 2019-07-11 and last updated on 2026-06-17.

CVE-2019-13561

CVE-2019-13561 is a critical-severity vulnerability in Dlink Dir-655 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dir-655 Firmware
Published: 2019-07-11
Last modified: 2026-06-17

Description

D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to execute arbitrary commands via shell metacharacters in the online_firmware_check.cgi check_fw_url parameter.

Frequently asked questions

What is CVE-2019-13561?: D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to execute arbitrary commands via shell metacharacters in the online_firmware_check.cgi check_fw_url parameter.
How severe is CVE-2019-13561?: CVE-2019-13561 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-2019-13561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13561?: CVE-2019-13561 affects Dlink Dir-655 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13561?: 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-2019-13561 published?: CVE-2019-13561 was published on 2019-07-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-655_firmware:3.02b05:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-655 Firmware

CVE-2019-16920 — Critical (CVSS 9.8): Unauthenticated remote code execution occurs in D-Link products such as DIR-655C, DIR-866L, DIR-652, and DHP-1565. The…
CVE-2019-13560 — Critical (CVSS 9.8): D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to force a blank password via the apply_sec.cgi…
CVE-2025-6158 — High (CVSS 8.8): A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the…
CVE-2019-13563 — High (CVSS 8.8): D-Link DIR-655 C devices before 3.02B05 BETA03 allow CSRF for the entire management console.
CVE-2019-13562 — Medium (CVSS 6.1): D-Link DIR-655 C devices before 3.02B05 BETA03 allow XSS, as demonstrated by the /www/ping_response.cgi ping_ipaddr…

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