01 Record
CVE-2026-5030
Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection
MediumPUBLISHEDCNA: VulDB
CNA base score5.3 CVSS v4.0CVSS: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
02 Description
Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection
03 Exploitation and scoring
- 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.
- EPSS probability
- 2.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.9% 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
- Analyzed. 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.
04 Metadata
- Published
- 2026-03-29 03:30Z7 MO AGO
- Last updated
- 2026-03-30 13:28Z7 MO AGO
- Reserved
- 2026-03-27
- 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
- Data version
- 5.2
- Document digest
- 71730db00145129cf0e27228d50d1c109681cd602ce382af23bcb3fddd1fdbc4
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-353952 | Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injectionhttps://vuldb.com/vuln/353952
- vuldb.comVDB-353952 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/353952/cti
- vuldb.comSubmit #778529 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injectionhttps://vuldb.com/submit/778529
- lavender-bicycle-a5a.notion.sitehttps://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-NTPSyncWithHost-32153a41781f8032afebc0802b704e9c?source=copy_link
- www.totolink.nethttps://www.totolink.net/