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CVE Vulnerability Details :
CVE-2026-7240
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-28 Apr, 2026 | 07:15
Updated At-29 Apr, 2026 | 14:20
Rejected At-
▼CVE Numbering Authority (CNA)
Totolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Affected Products
Vendor
TOTOLINKTotolink
Product
A8000RU
CPEs
  • cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*
Modules
  • CGI Handler
Versions
Affected
  • 7.1cu.643_b20200521
Problem Types
TypeCWE IDDescription
CWECWE-78OS Command Injection
CWECWE-77Command Injection
Type: CWE
CWE ID: CWE-78
Description: OS Command Injection
Type: CWE
CWE ID: CWE-77
Description: Command Injection
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.09.8CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.010.0N/A
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 3.0
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 10.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
LtzHust2 (VulDB User)
Timeline
EventDate
Advisory disclosed2026-04-27 00:00:00
VulDB entry created2026-04-27 02:00:00
VulDB entry last update2026-04-27 19:28:01
Event: Advisory disclosed
Date: 2026-04-27 00:00:00
Event: VulDB entry created
Date: 2026-04-27 02:00:00
Event: VulDB entry last update
Date: 2026-04-27 19:28:01
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/359847
vdb-entry
technical-description
https://vuldb.com/vuln/359847/cti
signature
permissions-required
https://vuldb.com/submit/802845
third-party-advisory
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_324/README.md
exploit
https://www.totolink.net/
product
Hyperlink: https://vuldb.com/vuln/359847
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/359847/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/802845
Resource:
third-party-advisory
Hyperlink: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_324/README.md
Resource:
exploit
Hyperlink: https://www.totolink.net/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found