PatchTheCVECVE-2018-19987: D-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880
CVE-2018-19987 is a critical-severity flaw (CVSS 9.8) affecting dir-818lw firmware, dir-822 firmware, dir-822 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
D-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880L Rev.A 1.20B01_01_i3se_BETA, and DIR-890L Rev.A 1.21B02_BETA devices mishandle IsAccessPoint in /HNAP1/SetAccessPointMode. In the SetAccessPointMode.php source code, the IsAccessPoint parameter is saved in the ShellPath script file without any regex checking. After the script file is executed, the command injection occurs. A vulnerable /
Why this priority
- Critical severity
- EPSS top 4%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 12.0% (top 4%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2019-05-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-19987?
dir-818lw firmware: mitigate or apply the listed mitigation; dir-822 firmware: mitigate or apply the listed mitigation; dir-822 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2018-19987 being exploited?
CVE-2018-19987 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-19987 affect?
CVE-2018-19987 affects dir-818lw firmware, dir-822 firmware, dir-822 firmware. Severity is critical (CVSS 9.8). D-Link DIR-822 Rev.B 202KRb06, DIR-822 Rev.C 3.10B06, DIR-860L Rev.B 2.03.B03, DIR-868L Rev.B 2.05B02, DIR-880L Rev.A 1.20B01_01_i3se_BETA, and DIR-890L Rev.A 1.21B02_BETA devices mishandle IsAccessPoint in /HNAP1/SetAccessPointMode. In the
How urgent is CVE-2018-19987?
Priority 68/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
PHP vulnerabilities · D-Link vulnerabilities
Related CVEs
- CVE-2025-9003 LOW 3.5 MITIGATE A vulnerability has been found in D-Link DIR-818LW 1.04
- CVE-2025-7553 MEDIUM 4.7 UPGRADE A vulnerability classified as critical has been found in D-Link DIR-818LW up to 20191215
- CVE-2019-13482 HIGH 8.8 MITIGATE An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01
- CVE-2019-13481 HIGH 8.8 MITIGATE An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01
- CVE-2019-12787 HIGH 8.8 MITIGATE An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA