What is CVE-2018-17127?

CVE-2018-17127 is a high-severity vulnerability in ASUS Gt-Ac5300, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-09-17.

How severe is CVE-2018-17127?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-17127 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in ASUS Gt-Ac5300

CVE-2018-17127

blocking_request.cgi on ASUS GT-AC5300 devices through 3.0.0.4.384_32738 allows remote attackers to cause a denial of service (NULL pointer dereference and device crash) via a request that lacks a timestap parameter.

Published 2018-09-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

PAGalaxyLab/VulInfo

References

github.com/PAGalaxyLab/VulInfo/tree/master/ASUS/GT-AC5300/dos1 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17127?: CVE-2018-17127 is a high-severity vulnerability in ASUS Gt-Ac5300, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-09-17.
How severe is CVE-2018-17127?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-17127 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.