EUVD-2026-58584
GHSA-hhjm-g2c9-8gpf
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
Network-reachable management interface requires low-privilege authentication (PR:L); full triad impact confined to the router itself with no scope change (S:U).
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
5DescriptionCVE.org
A weakness has been identified in Tenda G0 up to 20260625. The affected element is the function addStaticRoute of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument staticRouteNet can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
AnalysisAI
Stack-based buffer overflow in the Tenda G0 router's httpd web management interface allows low-privileged remote attackers to corrupt stack memory by sending a crafted staticRouteNet argument to the /goform/module endpoint, potentially enabling arbitrary code execution on the device. All firmware versions up to and including build 20260625 are confirmed affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS 4.0 vector specifies PR:L, meaning the attacker must authenticate to the httpd web management interface with at least a low-privilege account before triggering the overflow. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H) assigns a score of 7.4, reflecting network-accessible, low-complexity exploitation requiring low-privilege authentication with full triad impact on the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been confirmed from available data - Tenda's website (https://www.tenda.com.cn/) should be monitored for firmware updates and checked against the affected build date of 20260625. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and inventory all Tenda G0 routers in your environment, particularly those running firmware build 20260625 or earlier, and assess exposure of the /goform/module endpoint to untrusted networks. …
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Buffer overflow in the Tenda G0 router's httpd web management interface allows authenticated remote attackers to corrupt
Stack-based buffer overflow in the Tenda G0 router's httpd web management interface allows network-adjacent or remote au
Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Stack Overflow
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External POC / Exploit Code
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