CVE-2026-7720

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 57.6% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-04 01:45Z4 MO AGO

Last updated

2026-05-04 12:55Z4 MO AGO

Reserved

2026-05-03

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class

Data version

5.2

Document digest

85758bd48327b6a1d87834f74a749005f7e8f8a38aef91575e683a5b5c911240

• vuldb.comVDB-360896 | Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injectionhttps://vuldb.com/vuln/360896vdb-entrytechnical-description
• vuldb.comVDB-360896 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/360896/ctisignaturepermissions-required
• vuldb.comSubmit #807198 | Totolink WA300 WA300 V5.2cu.7112_B20190227 Command Injectionhttps://vuldb.com/submit/807198third-party-advisory
• lavender-bicycle-a5a.notion.sitehttps://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setLanguageCfg-34553a41781f8007b6c5c7964d424286exploit
• www.totolink.nethttps://www.totolink.net/product