CVE-2016-4577 describes a buffer overflow vulnerability in the Smart DNS functionality of several Huawei NGFW and Secospace USG series firewalls running software before V500R001C20SPC100. This flaw allows remote attackers to trigger a denial of service or execute arbitrary code through specially crafted packets containing illegitimate parameters. Rated with a CVSS score of 7.5 (HIGH), the vulnerability has a low attack complexity and requires network access, posing a significant risk of high impact to confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
v500r001c00CPE matchmatch criteria | cpe:2.3:o:huawei:usg9500_firmware:v500r001c00:*:*:*:*:*:*:* | ||
v500r001c00CPE matchmatch criteria | cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c00:*:*:*:*:*:*:* | ||
v500r001c00CPE matchmatch criteria | cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c00:*:*:*:*:*:*:* | ||
v500r001c00CPE matchmatch criteria | cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c00:*:*:*:*:*:*:* | ||
v500r001c00CPE matchmatch criteria | cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c00:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.