How severe is CVE-2018-17880?

CVE-2018-17880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-17880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17880?

CVE-2018-17880 affects D-link Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17880?

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-2018-17880 published?

CVE-2018-17880 was published on 2018-10-03 and last updated on 2026-06-17.

CVE-2018-17880

CVE-2018-17880 is a high-severity vulnerability in D-link Dir-823g Firmware with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: D-link Dir-823g Firmware
Published: 2018-10-03
Last modified: 2026-06-17

Description

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot commands without authentication to trigger a reboot.

Frequently asked questions

What is CVE-2018-17880?: On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot commands without authentication to trigger a reboot.
How severe is CVE-2018-17880?: CVE-2018-17880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-17880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17880?: CVE-2018-17880 affects D-link Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17880?: 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-2018-17880 published?: CVE-2018-17880 was published on 2018-10-03 and last updated on 2026-06-17.

References

https://xz.aliyun.com/t/2834#toc-5

Affected products (1)

cpe:2.3:o:d-link:dir-823g_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in D-link Dir-823g Firmware

CVE-2019-7297 — Critical (CVSS 9.8): An issue was discovered on D-Link DIR-823G devices with firmware through 1.02B03. A command Injection vulnerability…
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CVE-2018-17787 — Critical (CVSS 9.8): On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the…
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