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CVE-2016-8773· NVD / CVE Program· CNA huawei

Huawei S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00; S5700 with software V200R001C00, V200R002C00, V200R003C00, V2

Huawei S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00; S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00; S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00; S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00; S7700 with software V200R007C00, V200R008C00, V200R009C00; S9300 with software V200R007C00, V200R008C00, V200R009C00; S9700 with software V200R007C00, V200R008C00, V200R009C00; and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00 allow the attacker to cause a denial of service condition by sending malformed MPLS packets.

HighCVSS 7.5 · v3.0—No exploit No fix recorded

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Published
Apr 2, 2017
Updated
Jun 16, 2026
EPSS
0.9% · 59th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

Affected systems

VendorProduct
huaweis12700 firmware
huaweis12700
huaweis5300 firmware
huaweis5300
huaweis5700 firmware
huaweis5700
huaweis6300 firmware
huaweis6300
huaweis6700 firmware
huaweis6700
huaweis7700 firmware
huaweis7700

and 4 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • huawei s12700 firmwarev200r007c00
  • huawei s12700 firmwarev200r007c01
  • huawei s12700 firmwarev200r008c00
  • huawei s12700 firmwarev200r009c00
  • huawei s5300 firmwarev200r003c00
  • huawei s5300 firmwarev200r007c00
  • huawei s5300 firmwarev200r008c00
  • huawei s5300 firmwarev200r009c00
  • huawei s5700 firmwarev200r001c00
  • huawei s5700 firmwarev200r002c00
  • huawei s5700 firmwarev200r003c00
  • huawei s5700 firmwarev200r005c00
  • huawei s5700 firmwarev200r005c03
  • huawei s5700 firmwarev200r007c00
  • huawei s5700 firmwarev200r008c00
  • huawei s5700 firmwarev200r009c00
  • huawei s6300 firmwarev200r003c00
  • huawei s6300 firmwarev200r005c00
  • huawei s6300 firmwarev200r008c00
  • huawei s6300 firmwarev200r009c00

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 S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00,S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C0

    • S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00,S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C0affected

Same product

huawei: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-8786Huawei S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200
    31Monitor
  • CVE-2021-22357There is a denial of service vulnerability in Huawei products.
    30Monitor
  • CVE-2019-19397There is a weak algorithm vulnerability in some Huawei products.
    30Monitor
  • CVE-2019-5285Some Huawei S series switches have a DoS vulnerability.
    30Monitor
  • CVE-2017-17300Huawei S12700 V200R008C00, V200R009C00, S5700 V200R007C00, V200R008C00, V200R009C00, S6700 V200R008C00, V200R009C00, S7700 V200R008C00, V200
    30Monitor
  • CVE-2021-22377There is a command injection vulnerability in S12700 V200R019C00SPC500, S2700 V200R019C00SPC500, S5700 V200R019C00SPC500, S6700 V200R019C00S
    28Monitor

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.

EPSS, last 120 days

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 researchers

Finders, 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.
  • No account or password is required.
  • 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
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/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.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records