Ac15 Firmware CVE-2020-10987

CRITICAL

OS Command Injection (CWE-78)

2020-07-13 cve@mitre.org

Command Injection Tenda Ac15 Firmware

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL + in CISA KEV (actively exploited), no patch available.

Exploited in the wild (CISA KEV) No patch listed yet 79.7% exploitation probability (EPSS)

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AnalysisAI

The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote attackers to execute arbitrary system commands via the deviceName POST parameter. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote attackers to execute arbitrary system commands via the deviceName POST parameter. Affected products include: Tenda Ac15 Firmware. Version information: version 15.03.05.19.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

2

Added to CISA KEV

Jul 14, 2026 - 04:22 CISA

CVE Published

Jul 13, 2020 - 19:15 nvd

CRITICAL 9.8

DescriptionNVD

The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote attackers to execute arbitrary system commands via the deviceName POST parameter.

Threat Intelligence Overview

EPSS Score

79.7%

Top 0% exploitable

Exploit

POC

Public exploit code exists

Data Quality

2 sources

Confidence: Low

CISA KEV

EPSS POC (1)

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV Yes

Public POC Yes

EPSS 79.7%

Patch available No

Active threat Yes

Deciding rule

CRITICAL + in CISA KEV (actively exploited), no patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

High

Priority Score

199

Low Medium High Critical

KEV: +50

EPSS: +80

CVSS: +49

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:tenda:ac15_firmware:15.03.05.19:*:*:*:*:*:*:*

More in Ac15 Firmware

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CVE-2025-25632 CRITICAL Emergency POC

Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet. Rated critical se

CVE-2026-24105 CRITICAL Act Now POC

Tenda AC15 router has a code injection in formsetUsbUnload (EPSS 1.7%) enabling unauthenticated remote code execution.

CVE-2026-24101 CRITICAL Act Now POC

Tenda AC15 router has a command injection in formSetIptv (EPSS 1.1%) enabling unauthenticated root-level code execution.

CVE-2026-24103 CRITICAL Act Now POC

Buffer overflow in Tenda AC15V1.0 via formSetMacFilterCfg. PoC available.

CVE-2024-2855 CRITICAL Act Now POC

A vulnerability classified as critical was found in Tenda AC15 15.03.05.18/15.03.05.19/15.03.20. Rated critical severity

CVE-2024-2852 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remote

CVE-2024-2851 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerabili

CVE-2024-2850 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.05.18 and classified as critical. Rated critical severity (CVSS 9.8), this

CVE-2024-2815 CRITICAL Act Now POC

A vulnerability classified as critical has been found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8),

CVE-2024-2814 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remote

CVE-2024-2813 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remote

CVE-2024-2811 CRITICAL Act Now POC

A vulnerability was found in Tenda AC15 15.03.20_multi and classified as critical. Rated critical severity (CVSS 9.8), t

Same weakness CWE-78 – OS Command Injection

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References

Advisories & patches

REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10987 REF https://www.ise.io/research/

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