The security policy processing module in Huawei Secospace USG6300 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200; Sec
The security policy processing module in Huawei Secospace USG6300 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200; Secospace USG6500 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200; Secospace USG6600 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200 allows authenticated attackers to setup a specific security policy into the devices, causing a buffer overflow and crashing the system.
- Published
- Apr 2, 2017
- Updated
- Jun 16, 2026
- EPSS
- 1.0% · 62th percentile
- CWE
- CWE-119
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| huawei | secospace usg6300 firmware | cpe:2.3:o:huawei:secospace_usg6300_firmware |
| huawei | secospace usg6300 | cpe:2.3:h:huawei:secospace_usg6300 |
| huawei | secospace usg6500 firmware | cpe:2.3:o:huawei:secospace_usg6500_firmware |
| huawei | secospace usg6500 | cpe:2.3:h:huawei:secospace_usg6500 |
| huawei | secospace usg6600 firmware | cpe:2.3:o:huawei:secospace_usg6600_firmware |
| huawei | secospace usg6600 | cpe:2.3:h:huawei:secospace_usg6600 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- huawei secospace usg6300 firmwarev500r001c20spc100
- huawei secospace usg6300 firmwarev500r001c20spc101
- huawei secospace usg6300 firmwarev500r001c20spc200
- huawei secospace usg6500 firmwarev500r001c20spc100
- huawei secospace usg6500 firmwarev500r001c20spc101
- huawei secospace usg6500 firmwarev500r001c20spc200
- huawei secospace usg6600 firmwarev500r001c20spc100
- huawei secospace usg6600 firmwarev500r001c20spc101
- huawei secospace usg6600 firmwarev500r001c20spc200
Versions reported by the vendor
Affected version ranges reported by the assigning authority (huawei). Independent of NVD's CPE analysis and usually ahead of it.
n/a Secospace USG6300,Secospace USG6500,Secospace USG6600 Secospace USG6300 V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200,Secospace USG6500 V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC20
- Secospace USG6300,Secospace USG6500,Secospace USG6600 Secospace USG6300 V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200,Secospace USG6500 V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC20affected
Same product
huawei: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-8174Huawei USG6300 V100R001C30SPC300 and USG6600 with software of V100R001C30SPC500,V100R001C30SPC600,V100R001C30SPC700,V100R001C30SPC800 have a30Monitor
- CVE-2020-9075Huawei products Secospace USG6300;USG6300E with versions of V500R001C30,V500R001C50,V500R001C60,V500R001C80,V500R005C00,V500R005C10;V600R00626Monitor
- CVE-2016-8781Huawei Secospace USG6300 with software V500R001C20 and V500R001C20SPC200PWE, Secospace USG6500 with software V500R001C20, Secospace USG6600 26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.huawei.com/en/psirt/security-advisories/huawei-sa-20161125-01-usg-en
- www.securityfocus.com/bid/94538
Vendor advisories and official records. Exploit/PoC links are deliberately left out.