CVE-2018-17881
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings...
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.
- Record
CVE-2018-17881- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-640
- Updated
- 2026-11-02
CVE List No score
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.
- Record
CVE-2018-17881- Updated
- 2026-11-02
EUVDEUVD-2018-9622 No score
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.
- Record
EUVD-2018-9622- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jpmw-83xj-phgp
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings...
On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.
- Record
GHSA-jpmw-83xj-phgp- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-640
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17881 is a critical vulnerability (CVSS 9.8) in D-link Dir-823g Firmware, published October 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.