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CVE-2017-17300

23
FAUCET Score

CVE-2017-17300 describes a numeric errors vulnerability in multiple Huawei S-series switches (S12700, S5700, S6700, S7700, S9700) across various firmware versions. An unauthenticated, remote attacker can exploit this by sending specially crafted TCP messages with keychain authentication options. Improper validation of these messages leads to numeric errors, causing the affected devices to reset. This vulnerability has a CVSSv3 score of 7.5 (High), indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
v200r008c00CPE matchmatch criteria
cpe:2.3:o:huawei:s12700_firmware:v200r008c00:*:*:*:*:*:*:*
v200r009c00CPE matchmatch criteria
cpe:2.3:o:huawei:s12700_firmware:v200r009c00:*:*:*:*:*:*:*
v200r007c00CPE matchmatch criteria
cpe:2.3:o:huawei:s5700_firmware:v200r007c00:*:*:*:*:*:*:*
v200r008c00CPE matchmatch criteria
cpe:2.3:o:huawei:s5700_firmware:v200r008c00:*:*:*:*:*:*:*
v200r009c00CPE matchmatch criteria
cpe:2.3:o:huawei:s5700_firmware:v200r009c00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.59%
Probability of exploitation in next 30 days
EPSS Percentile
73.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0159 is in the 55th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

huawei.com / en/psirt/security-advisories/huawei-sa-20171215-01-router-en
Vendor Advisory