How severe is CVE-2023-6580?

CVE-2023-6580 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-6580 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6580?

CVE-2023-6580 affects Dlink Dir-846 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6580?

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.

When was CVE-2023-6580 published?

CVE-2023-6580 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-6580

CVE-2023-6580 is a high-severity vulnerability in Dlink Dir-846 Firmware with a CVSS 3.x base score of 8.8. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Dlink Dir-846 Firmware
Published: 2023-12-07
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in D-Link DIR-846 FW100A53DBR. This affects an unknown part of the file /HNAP1/ of the component QoS POST Handler. The manipulation of the argument smartqos_express_devices/smartqos_normal_devices leads to deserialization. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247161 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-6580?: A vulnerability, which was classified as critical, was found in D-Link DIR-846 FW100A53DBR. This affects an unknown part of the file /HNAP1/ of the component QoS POST Handler. The manipulation of the argument smartqos_express_devices/smartqos_normal_devices leads to deserialization. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247161 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-6580?: CVE-2023-6580 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-6580 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6580?: CVE-2023-6580 affects Dlink Dir-846 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6580?: 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.
When was CVE-2023-6580 published?: CVE-2023-6580 was published on 2023-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-846_firmware:100a53dbr:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-846 Firmware

CVE-2022-46642 — Critical (CVSS 9.9): D-Link DIR-846 A1_FW100A43 was discovered to contain a command injection vulnerability via the auto_upgrade_hour…
CVE-2022-46641 — Critical (CVSS 9.9): D-Link DIR-846 A1_FW100A43 was discovered to contain a command injection vulnerability via the lan(0)_dhcps_staticlist…
CVE-2023-33735 — Critical (CVSS 9.8): D-Link DIR-846 v1.00A52 was discovered to contain a remote command execution (RCE) vulnerability via the…
CVE-2020-21016 — Critical (CVSS 9.8): D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary code as root via…
CVE-2021-46319 — Critical (CVSS 9.8): Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846 DIR846A1_FW100A43.bin and…
CVE-2021-46315 — Critical (CVSS 9.8): Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetWizardConfig.php in D-Link Router DIR-846…

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