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Mallory
High

RCE in Huawei HG532 via port 37215

IdentifiersCVE-2017-17215CWE-78

CVE-2017-17215 is a remote code execution vulnerability affecting Huawei HG532 routers in some customized versions. According to the provided content, an authenticated attacker can send malicious packets to TCP port 37215 and trigger execution of arbitrary code on the device. The flaw is widely referenced in botnet propagation activity, especially Mirai-derived malware families, as an exploit used to compromise exposed Huawei HG532 devices and conscript them into botnets.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows remote execution of arbitrary code on the affected Huawei HG532 device. In practice, the provided content shows this vulnerability being used by Mirai-family and related IoT botnets to gain control of routers, deploy malware, establish botnet membership, and use compromised devices for follow-on activity such as DDoS attacks and further propagation.

Mitigation

If you can’t patch tonight, do this now.

Restrict or block access to TCP port 37215 from untrusted networks, especially the public Internet. Limit administrative exposure of the device, place affected routers behind access controls, and segment them from critical internal networks. Where possible, disable unnecessary remote management paths, monitor for exploitation attempts against port 37215, and retire end-of-life or unsupported Huawei HG532 deployments that cannot be patched.

Remediation

Patch, then assume compromise.

Apply the vendor-provided fix or upgrade to a non-vulnerable firmware/build for Huawei HG532 devices, including any customized versions affected by the issue. If no supported fix is available for the deployed customized version, replace the device with a supported model/firmware that is not vulnerable. Because the content does not provide exact fixed version numbers, that information is currently not available here.
PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.

VALID 0 / 2 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Huawei TechnologiesHg532 Firmwareoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence5

Every observed campaign linking this CVE to a named adversary.

Associated malware21

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity1

Community discussion across Reddit, Mastodon, and other social sources.