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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-3704

23
FAUCET Score

CVE-2026-3704 is a command injection vulnerability in the Wavlink NU516U1 251208 router, specifically within the /cgi-bin/firewall.cgi component. This medium-severity flaw (CVSS 4.7) allows a high-privileged attacker to remotely execute arbitrary commands, potentially leading to limited impact on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and it lacks significant community discussion or media coverage. Wavlink has released a fix, and upgrading the affected component is recommended.

Impacted Technologies

VendorProductVersion(s)CPE
251208CPE matchmatch criteria
cpe:2.3:o:wavlink:wl-nu516u1_firmware:251208:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.0LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
4.46%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0446 is in the 89th percentile among its peer group of 5,538 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dl.wavlink.com / firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt7628-squashfs-sysupgrade.bin
Broken Link
github.com / Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md
ExploitThird Party Advisory
github.com / Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md
ExploitThird Party Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry